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Gene Ma, MD

Internal Medicine · San Jose

NPI 1316238579

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
4
1 carrier
Office
1

Offices

1 location · Permanente Medical Group Inc · 10,928 clinicians in this group

Looking this up.

Plans that list them

4 plans · 1 carrier

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Ma’s office at (408) 972-3000 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
Kaiser Permanente Dual Complete North P2 (HMO D-SNP)Kaiser PermanenteListedSep 1, 2026
Kaiser Permanente Dual Complete North P23 (HMO D-SNP)Kaiser PermanenteListedSep 1, 2026
Kaiser Permanente Sr Adv Basic Santa Clara (HMO)Kaiser PermanenteListedSep 1, 2026
Kaiser Permanente Sr Adv Enhanced Santa Clara (HMO)Kaiser PermanenteListedSep 1, 2026

California Medical Board record

Licence A122085 · Current

Licensed to practise in California · since 2012 · expires 2028-03-31 · Stanford University School of Medicine.

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

Original Medicare doctor bills

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

Procedures Medicare counted

Procedure volume Medicare published
Upper gastrointestinal (GI) endoscopy for acid reflux1-10None

Year by year

Original Medicare by year
201863102674.39$81,253$12,039
20172834682.74$34,809$3,973

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

2018: 3 services

Original Medicare services billed in 2018
Diagnostic exam of large bowel using a flexible endoscope13$1,711$132
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope15$1,361$91
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope11$1,113$93

Drugs they prescribed that Part D paid

$13,288

Pharmacies billed $13,288 in 2024.

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

111 generic and fewer than 11 brand-name prescriptions · $13,288 in drug cost · 23 antibiotic prescriptions to 14 people.

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
Gavilyte-C44$1,097$22
Omeprazole12$224$11

Year by year

Part D prescribing by year
202412079NoneNone$13,288
2023116870% (0)13%$24,956
2022136880% (0)21%$36,545
2021136980% (0)17%$31,828
2020148890% (0)16%$89,313
20191891300% (0)13%$52,332
201855380% (0)24%$6,646
201413None85% (11)None$2,194
201347None38% (18)26%$4,945

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

See the drugs prescribed each year

2023: 2 drugs

Part D drugs prescribed in 2023
Gavilyte-C53$1,118$21
Omeprazole14$122$9

2022: 2 drugs

Part D drugs prescribed in 2022
Gavilyte-C49$841$17
Peg-3350 and Electrolytes19$385$20

2021: 4 drugs

Part D drugs prescribed in 2021
Peg-3350 and Electrolytes33$687$21
Gavilyte-C28$420$15
Omeprazole15$240$16
Ciprofloxacin18$123$7

2020: 2 drugs

Part D drugs prescribed in 2020
Gavilyte-C50$932$19
Ciprofloxacin18$125$7

2019: 3 drugs

Part D drugs prescribed in 2019
Gavilyte-C83$2,938$35
Gavilyte-G12$290$24
Ciprofloxacin11$99$9

2018: 1 drug

Part D drugs prescribed in 2018
Gavilyte-C11$429$39

Money from drug and device companies

$87 in 2024

Industry payments by year
202412None$87
202211$382$382
202112None$145
201915None$197

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

A payment is not proof that care is biased.

Payments by company
Boston ScientificExalt Model D$87
2 payments
  • Meals for Exalt Model D · 2024-03-07 · $38
  • Meals for Exalt Model D · 2024-03-06 · $49
See all 2 published payments
Every published payment
Boston ScientificMeals · 2024-03-07Exalt Model D$38
Boston ScientificMeals · 2024-03-06Exalt Model D$49
See earlier years (2022, 2021, 2019)

2022: $382

Payments by company in 2022
GenentechNone$382
1 payment
  • Consulting · 2022-10-12 · $382

2021: $145

Payments by company in 2021
Boston ScientificCaptivator$145
2 payments
  • Meals for Orise · 2021-11-13 · $68
  • Meals for Captivator · 2021-07-24 · $77

2019: $197

Payments by company in 2019
Apollo Endosurgery USOverstitch$197
5 payments
  • Meals for Overstitch · 2019-12-10 · $47
  • Meals for Overstitch · 2019-12-10 · $47
  • Meals for Overstitch · 2019-12-09 · $47
  • Meals for Overstitch · 2019-12-09 · $47
  • Meals · 2019-12-09 · $11

Professional record

NPI
1316238579
Licence
CA A122085California A122085: Current · expires 2028-03-31
Trained
Stanford University School of Medicine, 2011
Gender
Male
More record details
Sole proprietor
Yes
Taxonomy
Federal specialty code 207RG0100X (207RG0100X)
Mailing address
270 International Cir Bldg 3, San Jose, CA, 95119
NPI first listed
2011-04-22
NPI last updated
2022-02-11

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

This office lists an electronic records connection.