William Lamb, DO
Internal Medicine Physician · Pittsburgh, PA
William Lamb, DO is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1235103359, issued on Feb 15, 2006. Check the license (Pennsylvania OS004952L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Lamb
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS004952L PA
Self-reported in NPPES; status is on the state search - Practice location
- 193 43RD St, Pittsburgh, PA 15201
- Phone
- (412) 621-5227
- Enumerated
- Feb 15, 2006
- Record last updated
- Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 011010960 PA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 193 43RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shane Eikenberry, M.D.Internal Medicine Physician1528421443
- Mariola Roguszka- JozwiakSpecialist1881668424
- George SestricSpecialist1164497442
Verify William Lamb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS004952LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,366 Medicare Part D claims for 833 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 246 claims were for opioids.
Most prescribed
- Atorvastatin Calcium720 claims
- Amlodipine Besylate442 claims
- Lisinopril442 claims
- Levothyroxine Sodium418 claims
- Metformin Hcl266 claims
- Omeprazole266 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
William Lamb among 7,300 internal medicine physician records in Pennsylvania
William Lamb, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2007 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mona AnandPittsburgh, PA 152011730245713
- Shane Eikenberry, M.D.Pittsburgh, PA 152011528421443
- Donald Middleton, MDPittsburgh, PA 152011609815299
- Keily OrtegaPittsburgh, PA 152011578365755
- Stephen Ritz, DOPittsburgh, PA 152011730153123
- David BlinnBellevue, PA 152021124091871
- Matthew Coppola, M.D.Pittsburgh, PA 152021528022944
- Syed Hussaini, MDBellevue, PA 152021740270032
Common questions
What is William Lamb, DO's NPI number?
William Lamb, DO's National Provider Identifier (NPI) is 1235103359, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Lamb, DO located?
The NPPES record lists a practice address at 193 43RD St, Pittsburgh, PA, 15201. Phone: (412) 621-5227. Providers update this record themselves, so call before visiting.
How can I verify William Lamb, DO's license?
NPPES lists Pennsylvania license number OS004952L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Lamb, DO prescribe under Medicare Part D?
In 2024, William Lamb, DO had 9,366 Medicare Part D claims for 833 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Lamb, DO's MIPS final score?
The 2023 MIPS final score is 78.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.