Joseph M. Porres, MD
Dermatology Physician · Rockville, MD
Joseph M. Porres, MD is a dermatology physician with a practice address in Rockville, Maryland, and NPI 1902835689, issued on Jul 3, 2006. Check the license (Maryland D44137, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Joseph M. Porres
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- D44137 MD
Self-reported in NPPES; status is on the state search - Practice location
- 50 W Edmonston Dr, Rockville, MD 20852
- Phone
- (301) 762-7364
- Enumerated
- Jul 3, 2006
- Record last updated
- Mar 16, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (301) 762-7382
- Medicaid ID
- 423500200 MD
- Medicare enrollment
- Enrolled (PECOS I20090923000049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 341 in Maryland → Look up another NPI →
Also registered at 50 W Edmonston Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Fishkin, DC,MPHChiropractor1023161106
- Martin Flaum, DPMPodiatrist1326159211
Verify Joseph M. Porres in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D44137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average dermatology physician in 2024
167 Medicare Part D claims for 66 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Triamcinolone Acetonide37 claims
- Spironolactone21 claims
- Vtama19 claims
- Otezla12 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.
Industry payments in 2024: $512.52
22 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph M. Porres among 341 dermatology physician records in Maryland
Joseph M. Porres, MD is one of 341 dermatology physician records with a practice address in Maryland. 84% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 56% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1966 · median 2005 among the 241 with a school on file
- Record last updated2011 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Maryland
There are 341 dermatology physician records in Maryland.
All 341 in Maryland → Every provider in Rockville → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Joy Chen, M.D.North Bethesda, MD 208521104906908
- Irvin Horowitz, MDRockville, MD 208521376647537
- Douglas Lowy, M.D.Bethesda, MD 208521740537828
- Mary Maiberger, MDRockville, MD 208521326245895
- Brenda Pellicane, M.D.North Bethesda, MD 208521457495848
- Caren Sadikman, MDRockville, MD 208521508161514
- Ronald Shore, M.D.Rockville, MD 208521144258757
- Jorge Toro, M.D.Rockville, MD 208521770715492
Common questions
What is Joseph M. Porres, MD's NPI number?
Joseph M. Porres, MD's National Provider Identifier (NPI) is 1902835689, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph M. Porres, MD located?
The NPPES record lists a practice address at 50 W Edmonston Dr, Rockville, MD, 20852. Phone: (301) 762-7364. Providers update this record themselves, so call before visiting.
How can I verify Joseph M. Porres, MD's license?
NPPES lists Maryland license number D44137, 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 Joseph M. Porres, MD prescribe under Medicare Part D?
In 2024, Joseph M. Porres, MD had 167 Medicare Part D claims for 66 beneficiaries; the average among dermatology physician prescribers was 797. 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.