Mark Warner, DO
Pediatrics Physician · Drexel Hill, PA
Mark Warner, DO is a pediatrics physician with a practice address in Drexel Hill, Pennsylvania, and NPI 1477675635, issued on Apr 6, 2007. Check the license (Pennsylvania OS005359L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Warner
- Credential
- DO
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- OS005359L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5030 State Road, Drexel Hill, PA 19026
- Phone
- (610) 623-9080
- Enumerated
- Apr 6, 2007
- Record last updated
- Jun 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (610) 623-3861
- Medicaid ID
- 0010979340002 PA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,382 in Pennsylvania → Look up another NPI →
Also registered at 5030 State Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Ott, DOFamily Medicine Physician1013080878
- Elizabeth Rollnik, M.D.Pediatrics Physician1699987198
- Despina Soppas, M.D.Pediatrics Physician1346452836
Verify Mark Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS005359LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pediatrics physician in 2024
16 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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.
Mark Warner among 3,382 pediatrics physician records in Pennsylvania
Mark Warner, DO is one of 3,382 pediatrics physician records with a practice address in Pennsylvania. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2008 · 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 208000000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 pediatrics physician records list a practice address in Drexel Hill
They are 11 of the 433 NPPES records with a practice address in Drexel Hill, and 3,382 pediatrics physician records in Pennsylvania.
All 3,382 in Pennsylvania → Every provider in Drexel Hill → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Asha Advani, MDDrexel Hill, PA 190261396869244
- Kevin Browngoehl, M.D.Drexel Hill, PA 190261962523431
- Julia Geddings, MD PHDDrexel Hill, PA 190261467957209
- Sonia Jain, MDDrexel Hill, PA 190261134386188
- Rebecca Johnson, M.D.Drexel Hill, PA 190261134331630
- Matthew McCarthy, M.D.Drexel Hill, PA 190261740424977
- Elizabeth Rollnik, M.D.Drexel Hill, PA 190261699987198
- Alison Rubin, MD, MSC, IBCLCDrexel Hill, PA 190261710204359
Common questions
What is Mark Warner, DO's NPI number?
Mark Warner, DO's National Provider Identifier (NPI) is 1477675635, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Warner, DO located?
The NPPES record lists a practice address at 5030 State Road, Drexel Hill, PA, 19026. Phone: (610) 623-9080. Providers update this record themselves, so call before visiting.
How can I verify Mark Warner, DO's license?
NPPES lists Pennsylvania license number OS005359L, 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 Mark Warner, DO prescribe under Medicare Part D?
In 2024, Mark Warner, DO had 16 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.