Lauren Warshaw, MD
Internal Medicine Physician · Philadelphia, PA
Lauren Warshaw, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1407416571, issued on Jun 19, 2019. Check the license (Pennsylvania MT218241, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lauren Warshaw
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MT218241 PA
318686 NY
Self-reported in NPPES; status is on the state search - Practice location
- 245 N 15TH St FL 6, Philadelphia, PA 19102
- Phone
- (215) 762-7916
- Enumerated
- Jun 19, 2019
- Entity
- Type 1 · individual
Also registered at 245 N 15TH St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lauren Warshaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT218241Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
97 Medicare Part D claims for 27 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of 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 Medicare quality score for 2023: 84.5 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).
One hospital or facility affiliation
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2,259 internal medicine physician records list a Philadelphia practice address
They are 2,259 of the 42,849 NPPES records with a Philadelphia practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 2,259 in Philadelphia → All 8,636 in Pennsylvania → Every provider in Philadelphia →
Other internal medicine physician records in Pennsylvania
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- Saira Aamir, MDYork, PA1184515686
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- Todd Aaron, MDPhiladelphia, PA1457350522
- Cybele Abad, M.D.Pittsburgh, PA1619900453
- Mario Abad, MDDuncannon, PA1710022975
- Joseph Abalos, M.D.Seneca, PA1215128434
- Ali Abbas, MDYork, PA1023343779
- Huda Abbas, MDDoylestown, PA1316187024
Common questions
What is Lauren Warshaw, MD's NPI number?
Lauren Warshaw, MD's National Provider Identifier (NPI) is 1407416571, issued on Jun 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Warshaw, MD located?
The NPPES record lists a practice address at 245 N 15TH St FL 6, Philadelphia, PA, 19102. Phone: (215) 762-7916. Providers update this record themselves, so call before visiting.
How can I verify Lauren Warshaw, MD's license?
NPPES lists Pennsylvania license number MT218241, 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 Lauren Warshaw, MD prescribe under Medicare Part D?
In 2024, Lauren Warshaw, MD had 97 Medicare Part D claims for 27 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Lauren Warshaw, MD's Medicare quality score?
The 2023 MIPS final score is 84.5 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.