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Frank S Chen, MD

Sports Medicine · Palo Alto

NPI 1831293075

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
1
1 carrier
Offices
3

Offices

3 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group

Looking this up.

Plans that list them

1 plan · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

Plans whose provider directory lists this clinician
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A72370 · Current

Licensed to practise in California · since 2000 · expires 2028-06-30 · Brown University Program in Medicine.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Original Medicare doctor bills

$218,994

Medicare paid this office $218,994 for 641 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Short return visit (20+ min)365$44,716$83
Aspiration and/or injection of fluid from large joint262$33,560$69
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose63$26,970None
Return visit (30+ min)154$20,709$118
Repair of shoulder rotator cuff using an endoscope21$19,761$941
See all 14 services
Every Original Medicare service billed
Short return visit (20+ min)365$44,716$83
Aspiration and/or injection of fluid from large joint262$33,560$69
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose63$26,970None
Return visit (30+ min)154$20,709$118
Repair of shoulder rotator cuff using an endoscope21$19,761$941
New patient visit (45+ min)123$18,162$148
New patient visit (30+ min)132$11,662$88
Release of tendon connecting biceps muscle and shoulder using an endoscope15$6,915$461
Removal of both knee cartilages using an endoscope13$6,462$497
Removal of extensive shoulder joint tissue using an endoscope23$4,854$194
Shaving of part of shoulder bone and repair of ligament using an endoscope24$3,714$149
Partial removal of collar bone at shoulder using an endoscope12$2,780$232
Short return visit18$1,067$56
Injection, triamcinolone acetonide, not otherwise specified, 10 mg180$677None

Procedures Medicare counted

Procedure volume Medicare published
Lower limb (leg) arthroscopy (minimally invasive joint repair)39More than 98% of doctors who do this
Upper limb (arm) arthroscopy (minimally invasive joint repair)116More than 97% of doctors who do this

Who their Medicare patients are

641 Original Medicare patients in 2024. Average age 73 · Women 59% · Also on Medicaid 3% · Health risk score 0.64. At or below the middle of the specialty; the typical sports medicine clinician is at 1.05.

Conditions among them: High blood pressure 49% · Coronary heart disease 19% · Cancer 14% · Diabetes 12% · Atrial fibrillation 11% · Chronic kidney disease 9% · Depression 9% · Heart failure 5% · COPD 4% · Stroke 4%.

The office billed $980,275, Medicare allowed $286,973 and paid $218,994; for 3,118 services of 31 kinds; $31,267 of it was for drugs given in the office and $187,727 for care.

Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.

Year by year

Original Medicare by year
20246413,118730.64$980,275$218,994
20235802,380730.65$890,233$205,757
20225552,550730.67$735,391$179,899
20215072,597730.66$805,163$192,587
20204212,167730.78$757,123$161,078
20195482,643730.69$731,620$180,764
20184882,823730.71$895,005$194,175
20174952,677720.68$825,262$185,624
20164942,814730.73$773,866$175,476
20154792,328730.77$788,415$175,060
20144271,887720.68$705,819$150,885
20133782,315720.70$750,466$157,451

Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.

See the services billed each year

2023: 15 services

Original Medicare services billed in 2023
Short return visit (20+ min)328$41,030$83
Repair of shoulder rotator cuff using an endoscope29$28,492$982
Aspiration and/or injection of fluid from large joint200$22,410$68
Return visit (30+ min)164$20,697$118
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose42$15,231None
New patient visit (45+ min)94$14,560$155
New patient visit (30+ min)159$14,399$91
Release of tendon connecting biceps muscle and shoulder using an endoscope20$8,133$407
Removal of both knee cartilages using an endoscope16$7,994$500
Removal of knee cartilage using an endoscope13$6,368$490
Shaving of part of shoulder bone and repair of ligament using an endoscope31$4,729$153
Partial removal of collar bone at shoulder using an endoscope21$4,553$217
Removal of extensive shoulder joint tissue using an endoscope32$4,532$142
Short return visit12$779$56
Injection, triamcinolone acetonide, not otherwise specified, 10 mg148$576None

2022: 15 services

Original Medicare services billed in 2022
Short return visit (20+ min)331$41,990$81
Aspiration and/or injection of fluid from large joint224$23,467$64
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose43$19,991None
New patient visit (30+ min)174$15,991$92
Repair of shoulder rotator cuff using an endoscope16$15,690$981
Return visit (30+ min)110$14,454$120
New patient visit (45+ min)67$9,805$146
Removal of both knee cartilages using an endoscope14$7,931$529
Removal of knee cartilage using an endoscope14$6,438$460
Shaving of part of shoulder bone and repair of ligament using an endoscope16$2,445$153
Partial removal of collar bone at shoulder using an endoscope12$2,320$193
Removal of extensive shoulder joint tissue using an endoscope16$1,805$113
Short return visit26$1,386$49
Injection, triamcinolone acetonide, not otherwise specified, 10 mg201$809None
Aspiration and/or injection of fluid from medium joint12$660$47

2021: 14 services

Original Medicare services billed in 2021
Short return visit (20+ min)301$38,112$83
Aspiration and/or injection of fluid from large joint232$27,758$65
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose55$24,092None
New patient visit (30+ min)189$18,357$97
Repair of shoulder rotator cuff using an endoscope18$17,895$994
Return visit (30+ min)109$14,865$123
New patient visit (45+ min)56$8,748$156
Removal of both knee cartilages using an endoscope13$6,940$534
Removal of extensive shoulder joint tissue using an endoscope20$4,823$210
Release of tendon connecting biceps muscle and shoulder using an endoscope11$4,479$407
Partial removal of collar bone at shoulder using an endoscope18$3,750$208
Shaving of part of shoulder bone and repair of ligament using an endoscope20$3,418$155
Short return visit18$952$50
Injection, triamcinolone acetonide, not otherwise specified, 10 mg191$915None

2020: 14 services

Original Medicare services billed in 2020
Repair of shoulder rotator cuff using an endoscope31$29,927$965
Short return visit (20+ min)256$26,217$68
Aspiration and/or injection of fluid from large joint182$20,019$62
New patient visit (30+ min)184$16,753$91
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose31$14,926None
Removal of both knee cartilages using an endoscope19$9,225$486
Removal of extensive shoulder joint tissue using an endoscope36$7,567$205
Partial removal of collar bone at shoulder using an endoscope30$6,049$202
Shaving of part of shoulder bone and repair of ligament using an endoscope31$5,081$159
Release of tendon connecting biceps muscle and shoulder using an endoscope12$4,587$382
Return visit (30+ min)15$1,397$93
New patient visit (15+ min)20$1,151$58
Short return visit21$1,006$46
Injection, triamcinolone acetonide, not otherwise specified, 10 mg154$902None

2019: 14 services

Original Medicare services billed in 2019
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose47$39,342None
Short return visit (20+ min)289$28,053$65
Aspiration and/or injection of fluid from large joint253$25,289$57
New patient visit (30+ min)236$22,457$95
Repair of shoulder rotator cuff using an endoscope21$20,448$974
Removal of extensive shoulder joint tissue using an endoscope25$5,407$208
Removal of both knee cartilages using an endoscope11$4,999$454
Partial removal of collar bone at shoulder using an endoscope21$4,788$228
Release of tendon connecting biceps muscle and shoulder using an endoscope11$4,427$402
Shaving of part of shoulder bone and repair of ligament using an endoscope25$4,074$157
Return visit (30+ min)26$2,686$103
Short return visit47$2,183$42
Injection, triamcinolone acetonide, not otherwise specified, 10 mg222$1,227None
New patient visit (15+ min)25$1,111$44

2018: 14 services

Original Medicare services billed in 2018
Repair of shoulder rotator cuff using an endoscope32$30,527$954
Short return visit (20+ min)310$29,795$63
Aspiration and/or injection of fluid from large joint251$27,934$58
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose55$27,652None
New patient visit (30+ min)218$19,457$89
Release of tendon connecting biceps muscle and shoulder using an endoscope18$7,119$395
Removal of extensive shoulder joint tissue using an endoscope36$6,923$182
Removal of both knee cartilages using an endoscope13$6,725$517
Partial removal of collar bone at shoulder using an endoscope31$6,068$196
Shaving of part of shoulder bone and repair of ligament using an endoscope35$5,712$154
Return visit (30+ min)22$2,139$97
Short return visit38$1,742$39
Injection, triamcinolone acetonide, not otherwise specified, 10 mg216$1,500None
New patient visit (15+ min)15$1,059$71

2017: 14 services

Original Medicare services billed in 2017
Short return visit (20+ min)313$30,645$64
Repair of shoulder rotator cuff using an endoscope31$29,203$942
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose60$25,707None
Aspiration and/or injection of fluid from large joint226$25,354$58
New patient visit (30+ min)208$18,516$89
Removal of both knee cartilages using an endoscope19$9,018$475
Partial removal of collar bone at shoulder using an endoscope31$6,362$205
Release of tendon connecting biceps muscle and shoulder using an endoscope15$5,873$392
Shaving of part of shoulder bone and repair of ligament using an endoscope33$5,192$153
Removal of extensive shoulder joint tissue using an endoscope31$4,737$148
Return visit (30+ min)24$2,344$98
Short return visit40$1,558$37
Injection, triamcinolone acetonide, not otherwise specified, 10 mg197$1,303None
New patient visit (15+ min)19$1,235$65

2016: 13 services

Original Medicare services billed in 2016
Short return visit (20+ min)316$28,697$61
Repair of shoulder rotator cuff using an endoscope31$28,101$906
Aspiration and/or injection of fluid from large joint254$23,749$56
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose51$22,624None
New patient visit (30+ min)224$20,648$92
Release of tendon connecting biceps muscle and shoulder using an endoscope22$8,387$381
Partial removal of collar bone at shoulder using an endoscope32$6,086$190
Return visit (30+ min)62$5,889$91
Removal of both knee cartilages using an endoscope12$5,796$483
Shaving of part of shoulder bone and repair of ligament using an endoscope35$5,329$148
Removal of extensive shoulder joint tissue using an endoscope20$4,207$210
Short return visit36$1,505$37
Injection, triamcinolone acetonide, not otherwise specified, 10 mg215$1,421None

2015: 12 services

Original Medicare services billed in 2015
Short return visit (20+ min)274$26,657$65
Repair of shoulder rotator cuff using an endoscope27$26,457$980
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose53$24,757None
Aspiration and/or injection of fluid from large joint204$22,567$60
New patient visit (30+ min)203$20,388$100
Removal of both knee cartilages using an endoscope23$11,996$522
Return visit (30+ min)79$7,973$100
Release of tendon connecting biceps muscle and shoulder using an endoscope16$6,483$405
Partial removal of collar bone at shoulder using an endoscope27$5,887$218
Shaving of part of shoulder bone and repair of ligament using an endoscope30$4,914$159
Short return visit45$2,075$38
Injection, triamcinolone acetonide, not otherwise specified, 10 mg158$1,017None

2014: 11 services

Original Medicare services billed in 2014
Short return visit (20+ min)299$30,335$63
Repair of shoulder rotator cuff using an endoscope25$23,348$934
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose44$20,558None
Aspiration and/or injection of fluid from large joint189$18,475$58
New patient visit (30+ min)133$11,485$86
Removal of both knee cartilages using an endoscope22$10,235$465
Return visit (30+ min)73$6,591$89
Partial removal of collar bone at shoulder using an endoscope24$5,470$228
Shaving of part of shoulder bone and repair of ligament using an endoscope27$4,152$154
Short return visit57$2,866$38
Injection, triamcinolone acetonide, not otherwise specified, 10 mg78$561None

2013: 12 services

Original Medicare services billed in 2013
Short return visit (20+ min)247$25,868$61
Repair of shoulder rotator cuff using an endoscope25$22,806$912
Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose40$20,723None
Aspiration and/or injection of fluid from large joint184$19,732$51
New patient visit (30+ min)162$15,139$93
Removal of both knee cartilages using an endoscope24$11,024$459
Partial removal of collar bone at shoulder using an endoscope24$6,000$250
Return visit (30+ min)45$4,407$98
Short return visit45$4,292$41
Shaving of part of shoulder bone and repair of ligament using an endoscope29$4,291$148
Removal of extensive shoulder joint tissue using an endoscope21$2,844$135
Injection, triamcinolone acetonide, not otherwise specified, 10 mg146$1,112None

Medicaid work

$158 in 2020

Medicaid paid $158 for 14 billed services this clinician did in 2020, up to 12 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2020
Short return visit (20+ min)14$158
Medicaid work by year
202014112$158

Drugs they prescribed that Part D paid

$528

Pharmacies billed $528 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

25 generic and 0 brand-name prescriptions · $528 in drug cost.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Largest Part D drug costs
Meloxicam11$33$2

Year by year

Part D prescribing by year
20242515None0%$528
202342310% (0)0%$201
202239280% (0)0%$258
202167380% (0)0%$415
20205631None0%$507
20194527None0%$316
201855410% (0)None$1,603
20176238NoneNone$820
20167142NoneNone$1,618
20158250NoneNone$1,192
20141457123% (34)15%$4,223
20131837024% (44)13%$7,915

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 1 drug

Part D drugs prescribed in 2023
Meloxicam35$143$4

2022: 1 drug

Part D drugs prescribed in 2022
Meloxicam35$164$5

2021: 1 drug

Part D drugs prescribed in 2021
Meloxicam51$174$3

2020: 1 drug

Part D drugs prescribed in 2020
Meloxicam38$161$4

2019: 1 drug

Part D drugs prescribed in 2019
Meloxicam33$126$4

2018: 1 drug

Part D drugs prescribed in 2018
Meloxicam39$142$4

2017: 1 drug

Part D drugs prescribed in 2017
Meloxicam34$169$5

2016: 2 drugs

Part D drugs prescribed in 2016
Celecoxib14$1,014$72
Meloxicam34$172$5

2015: 1 drug

Part D drugs prescribed in 2015
Meloxicam44$189$4

2014: 3 drugs

Part D drugs prescribed in 2014
Voltaren11$477$43
Hydrocodone-Acetaminophen19$263$14
Meloxicam40$183$5

2013: 3 drugs

Part D drugs prescribed in 2013
Meloxicam40$282$7
Hydrocodone-Acetaminophen24$258$11
Atorvastatin16$181$11

Money from drug and device companies

$30 in 2021

Industry payments by year
202112None$30
201922None$220

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

  • IntraVu Inc.

    Published ownership

    $750

    Held by this doctor · 2019 · Nso Grant

Published ownership or investment in a drug or device company. This is not proof that care is biased.

A payment is not proof that care is biased.

Payments by company
BioDelivery Sciences InternationalBelbuca$30
2 payments
  • Meals for Belbuca · 2021-03-24 · $16
  • Meals for Belbuca · 2021-02-24 · $14
See all 2 published payments
Every published payment
BioDelivery Sciences InternationalMeals · 2021-03-24Belbuca$16
BioDelivery Sciences InternationalMeals · 2021-02-24Belbuca$14
See earlier years (2019)

2019: $220

Payments by company in 2019
StrykerMako$150
1 payment
  • Meals for Mako · 2019-03-14 · $150
E.R. Squibb & Sons L.L.C.None$70
1 payment
  • Meals · 2019-05-21 · $70

Professional record

NPI
1831293075
Licence
CA A72370California A72370: Current · expires 2028-06-30
Trained
Warren Alpert Medical School of Brown University, 1994
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Federal specialty code 207XX0005X (207XX0005X)
Mailing address
325 Distel Cir, Los Altos, CA, 94022
NPI first listed
2006-09-08
NPI last updated
2020-07-15
NPI record certified
2020-07-15

This is when the NPI record was last certified, not a medical board exam.

Extra NPI addresses: 301 Industrial Rd, San Carlos, CA, 94070