Lauren Debra Warshaw, MD
Hospitalist Physician · Philadelphia, PA
Lauren Debra Warshaw, MD is a hospitalist 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 Debra Warshaw
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- 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
- Record last updated
- May 3, 2023
- Medicare enrollment
- Enrolled (PECOS I20220912001617); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
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.
- Shawn Ahmad Chaustre, MDInternal Medicine Physician1356901193
- Maliha Ahmed, D.O.Internal Medicine Physician1548610751
- Archana Balakrishnan, MDInternal Medicine Physician1376102822
- Akanksha Bhardwaj, DOInternal Medicine Physician1033779335
- Steven Chow, MDInternal Medicine Physician1780177527
- Rhia Dasgupta, MDInternal Medicine Physician1093376923
Verify Lauren Debra 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
81% fewer Medicare Part D claims than the average hospitalist physician in 2024
97 Medicare Part D claims for 27 beneficiaries, against an average of 521 among the 21,613 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Debra Warshaw among 1,424 hospitalist physician records in Pennsylvania
Lauren Debra Warshaw, MD is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2019 · median 2011 among the 1,236 with a school on file
- Record last updated2023 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Pennsylvania
There are 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Philadelphia → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Genc Hajra, M.DPhiladelphia, PA 191021205275104
- Sean Kim, D.OPhiladelphia, PA 191021023304797
- Ifeanyichukwu Onwe, M.D.Philadelphia, PA 191021689129967
- Christian Setzer, D.O.Philadelphia, PA 191021558524595
- Beshir SaeedPhiladelphia, PA 191031457911547
- Michelle Hu, MDPhiladelphia, PA 191041891721593
- Emmanuel King, MDPhiladelphia, PA 191041598753469
- Laura Kosseim, MDPhiladelphia, PA 191041912933607
Common questions
What is Lauren Debra Warshaw, MD's NPI number?
Lauren Debra 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 Debra 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 Debra 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 Debra Warshaw, MD prescribe under Medicare Part D?
In 2024, Lauren Debra Warshaw, MD had 97 Medicare Part D claims for 27 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Lauren Debra Warshaw, MD's MIPS final 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), 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.