Paul S. Porter, MD
Emergency Medicine Physician · Bethesda, MD
Paul S. Porter, MD is an emergency medicine physician with a practice address in Bethesda, Maryland, and NPI 1588801898, issued on Jan 9, 2009. Check the license (Maryland D0091252, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Paul S. Porter
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D0091252 MD
62553 CT
MD13059 RI
Self-reported in NPPES; status is on the state search - Practice location
- 4494 Palmer RD, Bethesda, MD 20889
- Phone
- (301) 295-4810
- Enumerated
- Jan 9, 2009
- Record last updated
- Jul 5, 2025
- Medicaid ID
- PP76984 RI
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 4494 Palmer RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul S. Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0091252Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average emergency medicine physician in 2024
23 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% 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.
Paul S. Porter among 1,190 emergency medicine physician records in Maryland
Paul S. Porter, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% 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 55% of them.
- NPI issued2009 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Maryland
There are 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Bethesda → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sean Barbabella, D.O.Bethesda, MD 208891427028331
- Bradley Bunten, MDBethesda, MD 208891821074899
- Bradley Butler, MDBethesda, MD 208891265479950
- Robert Donovan, M.D.Bethesda, MD 208891427035054
- Katherine Douglass, MDBethesda, MD 208891679555668
- Michelle Ervin, MDBethesda, MD 208891568401321
- Brian Ferguson, D.O.Bethesda, MD 208891417996620
- Kim Forman, MDBethesda, MD 208891609847706
Common questions
What is Paul S. Porter, MD's NPI number?
Paul S. Porter, MD's National Provider Identifier (NPI) is 1588801898, issued on Jan 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Paul S. Porter, MD located?
The NPPES record lists a practice address at 4494 Palmer RD, Bethesda, MD, 20889. Phone: (301) 295-4810. Providers update this record themselves, so call before visiting.
How can I verify Paul S. Porter, MD's license?
NPPES lists Maryland license number D0091252, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Paul S. Porter, MD prescribe under Medicare Part D?
In 2024, Paul S. Porter, MD had 23 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.