Nancy Wen-Hsing Tibbs, MD
Internal Medicine · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 1
- 1 carrier
- Office
- 1
- Since medical school
- 30 years
- Harvard Medical School, 1996
Offices
1 location · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Looking this up.
Hospitals listed: 757662. That is not proof they admit you there this week.
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. Tibbs’s office at (415) 600-1020 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| Alignment Health Sutter Advantage +More (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
California Medical Board record
Licence A63344 · Current
Licensed to practise in California · since 1997 · expires 2027-03-31 · Harvard Medical School.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
School, training and certification
What this clinician told their state board, medical school and everything before it. Only some states publish this, so nothing here means the state does not say, not that there was no training or certification.
Specialty certification
- American Board of Internal Medicine - Internal Medicine
Original Medicare doctor bills
$16,616
Medicare paid this office $16,616 for 40 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Return visit (30+ min) | 23 | $7,047 | $119 |
| Short return visit (20+ min) | 21 | $3,128 | $82 |
Who their Medicare patients are
40 Original Medicare patients in 2024. Average age 80 · Women 63% · Health risk score 1.27. At or below the middle of the specialty; the typical internal medicine clinician is at 1.76.
Conditions among them: High blood pressure 75% · Coronary heart disease 38% · Diabetes 30% · Chronic kidney disease 30% · Atrial fibrillation 30% · Heart failure 28% · Depression 28%.
The office billed $47,788, Medicare allowed $20,405 and paid $16,616; for 160 services of 23 kinds.
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
| 2024 | 40 | 160 | 80 | 1.27 | $47,788 | $16,616 |
| 2023 | 253 | 703 | 81 | 2.23 | $262,375 | $73,126 |
| 2022 | 258 | 752 | 80 | 2.13 | $275,418 | $72,393 |
| 2021 | 271 | 771 | 79 | 1.81 | $274,486 | $75,036 |
| 2020 | 268 | 698 | 80 | 2.31 | $220,825 | $68,759 |
| 2019 | 291 | 653 | 81 | 2.10 | $214,495 | $64,327 |
| 2018 | 288 | 759 | 79 | 2.03 | $220,644 | $67,598 |
| 2017 | 244 | 624 | 78 | 1.84 | $180,188 | $56,420 |
| 2016 | 240 | 620 | 78 | 2.19 | $178,497 | $56,389 |
| 2015 | 241 | 689 | 78 | 2.43 | $208,477 | $69,031 |
| 2014 | 204 | 493 | 79 | 2.07 | $155,956 | $47,373 |
| 2013 | 210 | 504 | 78 | 2.34 | $164,105 | $48,394 |
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: 7 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 136 | $38,903 | $110 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 65 | $10,437 | $158 |
| Hospital discharge day management, more than 30 minutes | 69 | $7,729 | $107 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 53 | $7,597 | $72 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 31 | $3,679 | $119 |
| Hospital discharge day management, 30 minutes or less | 18 | $1,356 | $75 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 21 | $1,249 | $45 |
2022: 10 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 144 | $36,952 | $94 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 58 | $10,715 | $182 |
| Hospital discharge day management, more than 30 minutes | 70 | $7,056 | $101 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 43 | $5,209 | $64 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 24 | $2,923 | $122 |
| Initial hospital observation care per day, typically 70 minutes | 11 | $1,841 | $167 |
| Extended inpatient or observation hospital service, first hour | 12 | $1,649 | $82 |
| Initial hospital observation care per day, typically 50 minutes | 13 | $1,441 | $111 |
| Hospital observation care on day of discharge | 21 | $1,410 | $67 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 18 | $1,025 | $35 |
2021: 9 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 135 | $36,587 | $95 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 51 | $9,398 | $184 |
| Hospital discharge day management, more than 30 minutes | 74 | $7,508 | $100 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 49 | $6,001 | $122 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 56 | $5,708 | $66 |
| Extended inpatient or observation hospital service, first hour | 11 | $2,882 | $85 |
| Initial hospital observation care per day, typically 70 minutes | 11 | $1,826 | $166 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 16 | $734 | $35 |
| Hospital observation care on day of discharge | 11 | $697 | $63 |
2020: 8 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 132 | $33,902 | $98 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 50 | $9,557 | $187 |
| Hospital discharge day management, more than 30 minutes | 69 | $7,300 | $103 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 56 | $6,140 | $67 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 38 | $4,665 | $123 |
| Initial hospital observation care per day, typically 50 minutes | 12 | $1,544 | $129 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 20 | $1,196 | $36 |
| Hospital observation care on day of discharge | 13 | $907 | $70 |
2019: 8 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 118 | $23,588 | $94 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 68 | $12,658 | $181 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 72 | $8,894 | $122 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 69 | $7,208 | $66 |
| Hospital discharge day management, more than 30 minutes | 50 | $4,994 | $98 |
| Initial hospital observation care per day, typically 50 minutes | 15 | $1,848 | $123 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 28 | $1,484 | $35 |
| Hospital observation care on day of discharge | 20 | $1,311 | $66 |
2018: 8 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 110 | $25,727 | $93 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 85 | $10,300 | $121 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 42 | $7,934 | $180 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 86 | $7,921 | $65 |
| Hospital discharge day management, more than 30 minutes | 60 | $5,999 | $98 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 68 | $3,842 | $35 |
| Initial hospital observation care per day, typically 70 minutes | 12 | $2,001 | $167 |
| Hospital observation care on day of discharge | 18 | $1,196 | $66 |
2017: 7 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 112 | $21,264 | $92 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 87 | $9,058 | $64 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 43 | $7,955 | $181 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 55 | $6,626 | $120 |
| Hospital discharge day management, more than 30 minutes | 52 | $5,053 | $97 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 37 | $1,843 | $34 |
| Hospital observation care on day of discharge | 14 | $914 | $65 |
2016: 8 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 89 | $17,628 | $92 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 72 | $8,797 | $121 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 46 | $8,409 | $179 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 74 | $7,173 | $63 |
| Hospital discharge day management, more than 30 minutes | 44 | $4,254 | $97 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes | 40 | $2,582 | $35 |
| Initial hospital observation care per day, typically 50 minutes | 17 | $2,287 | $120 |
| Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes | 21 | $1,874 | $89 |
2015: 8 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 124 | $31,731 | $96 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 49 | $9,364 | $187 |
| Hospital discharge day management, more than 30 minutes | 78 | $7,987 | $101 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 55 | $7,048 | $67 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 30 | $3,810 | $127 |
| Initial hospital observation care per day, typically 50 minutes | 24 | $3,005 | $125 |
| Hospital observation care on day of discharge | 18 | $1,237 | $69 |
| Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes | 11 | $1,026 | $93 |
2014: 7 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 101 | $21,381 | $91 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 34 | $6,235 | $178 |
| Hospital discharge day management, more than 30 minutes | 52 | $5,053 | $95 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 37 | $4,438 | $120 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 46 | $4,178 | $63 |
| Initial hospital observation care per day, typically 50 minutes | 22 | $2,482 | $113 |
| Hospital observation care on day of discharge | 17 | $1,092 | $64 |
2013: 7 services
| Subsequent hospital care with moderate levelof medical decision making at least 50 minutes | 91 | $17,974 | $89 |
| Initial hospital care with moderate level of medical decision making at least 75 minutes | 52 | $9,042 | $174 |
| Subsequent hospital care with moderate levelof medical decision making at least 35 minutes | 41 | $5,400 | $61 |
| Hospital discharge day management, more than 30 minutes | 48 | $4,514 | $94 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 32 | $4,003 | $118 |
| Initial hospital observation care per day, typically 50 minutes | 15 | $1,720 | $115 |
| Hospital observation care on day of discharge | 19 | $1,200 | $63 |
Drugs they prescribed that Part D paid
$49,914
Pharmacies billed $49,914 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
231 generic and fewer than 11 brand-name prescriptions · $49,914 in drug cost · 33 antibiotic prescriptions to 13 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.
| Levothyroxine | 11 | $222 | $20 |
| Metoprolol | 11 | $119 | $11 |
| Furosemide | 11 | $47 | $4 |
Year by year
| 2024 | 287 | 43 | None | None | $49,914 |
| 2023 | 173 | 64 | None | None | $27,983 |
| 2022 | 161 | 79 | None | None | $11,796 |
| 2021 | 135 | 59 | 8% (11) | 10% | $9,661 |
| 2020 | 171 | 68 | 6% (11) | 24% | $16,358 |
| 2019 | 125 | 53 | None | 23% | $11,543 |
| 2018 | 123 | 55 | None | 20% | $10,065 |
| 2017 | 118 | 39 | None | None | $8,864 |
| 2016 | 82 | 34 | None | None | $6,170 |
| 2015 | 94 | 54 | None | 18% | $6,817 |
| 2014 | 132 | 54 | None | None | $12,395 |
| 2013 | 160 | 50 | 9% (14) | 23% | $10,660 |
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
| Eliquis | 14 | $13,707 | $979 |
2022: 1 drug
| Pantoprazole | 15 | $126 | $8 |
2020: 2 drugs
| Eliquis | 13 | $7,290 | $561 |
| Levothyroxine | 11 | $97 | $9 |
2017: 1 drug
| Amiodarone | 12 | $66 | $6 |
2014: 1 drug
| Furosemide | 13 | $65 | $5 |
2013: 4 drugs
| Symbicort | 11 | $2,799 | $254 |
| Cefazolin | 11 | $208 | $19 |
| Benazepril | 11 | $132 | $12 |
| Atenolol | 13 | $103 | $8 |
Money from drug and device companies
$67 in 2022
| 2022 | 1 | 1 | None | $67 |
| 2021 | 1 | 1 | None | $117 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Agios Pharmaceuticals | Pyrukynd | $67 | 1 payment
|
See the published payment
| Agios Pharmaceuticals | Meals · 2022-06-27 | Pyrukynd | $67 |
See earlier years (2021)
2021: $117
| Optos | Panoramic Ophthalmoscope | $117 | 1 payment
|
Professional record
- NPI
- 1386736015
- Licence
- CA A63344California A63344: Current · expires 2027-03-31
- Trained
- Harvard Medical School, 1996 · 30 years ago
- Video visits
- Lists video visits
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Internal medicine (207R00000X)
- Mailing address
- 300 Pasteur Dr, Stanford, CA, 94305
- NPI first listed
- 2006-09-29
- NPI last updated
- 2024-04-23
- NPI record certified
- 2024-04-23
This is when the NPI record was last certified, not a medical board exam.