NPPES file of Aug 9, 2026

Pao-Ching Wang, M.D.

Internal Medicine Physician · San Francisco, CA

Pao-Ching Wang, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1073755005, issued on Apr 6, 2009. Check the license (California A105446, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073755005
Name
Pao-Ching Wang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A105446 CA
Self-reported in NPPES; status is on the state search
Practice location
1520 Stockton St, San Francisco, CA 94133
Phone
(415) 391-9686
Enumerated
Apr 6, 2009
Record last updated
Mar 3, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(415) 391-7540
Medicare enrollment
Enrolled (PECOS I20090922000284); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1520 Stockton St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mai Abdelnabi, MDRheumatology Physician1013394980
  2. Sabi Ahmed, M.D.Family Medicine Physician1760630461
  3. Christine Anne Alvarez, RNRegistered Nurse1740928647
  4. Alice ChanRegistered Nurse1184408536
  5. Beverley Chan, PHARM DPharmacist1942750260
  6. Lily Chan, R.N.Community Health Registered Nurse1073868659

Verify Pao-Ching Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A105446
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

7,861 Medicare Part D claims for 567 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Pao-Ching Wang7,861
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,222 claims
  2. Amlodipine Besylate500 claims
  3. Alendronate Sodium403 claims
  4. Metoprolol Succinate374 claims
  5. Losartan Potassium281 claims
  6. Tamsulosin Hcl235 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $14.34

1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Pao-Ching Wang$14.34
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. North East Medical ServicesSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pao-Ching Wang among 17,696 internal medicine physician records in California

Pao-Ching Wang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 2004 among the 11,065 with a school on file
  • Record last updated2017 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Leila Alpers, M.D.San Francisco, CA 941331881706935
  2. Kenneth Chan, MDSan Francisco, CA 941331912091919
  3. Kenneth Chang, MDSan Francisco, CA 941331609832724
  4. Qingquan Fu, MDSan Francisco, CA 941331578673620
  5. Judy Hsu, MDSan Francisco, CA 941331043384050
  6. Jack Huynh, MDSan Francisco, CA 941331548334543
  7. Thinn Khaing, M.D.San Francisco, CA 941331396939724
  8. Edward Ko, MDSan Francisco, CA 941331841364841

Common questions

What is Pao-Ching Wang, M.D.'s NPI number?

Pao-Ching Wang, M.D.'s National Provider Identifier (NPI) is 1073755005, issued on Apr 6, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Pao-Ching Wang, M.D. located?

The NPPES record lists a practice address at 1520 Stockton St, San Francisco, CA, 94133. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.

How can I verify Pao-Ching Wang, M.D.'s license?

NPPES lists California license number A105446, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Pao-Ching Wang, M.D. prescribe under Medicare Part D?

In 2024, Pao-Ching Wang, M.D. had 7,861 Medicare Part D claims for 567 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.