David A. Cowan, MD
Dermatology Physician · Butler, PA
David A. Cowan, MD is a dermatology physician with a practice address in Butler, Pennsylvania, and NPI 1487795993, issued on Feb 8, 2007. Check the license (Pennsylvania MD439184, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David A. Cowan
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- MD439184 PA
MD037215 DC
D0067402 MD
D67402 MD
Self-reported in NPPES; status is on the state search - Practice location
- 102 Technology Dr, Butler, PA 16001
- Phone
- (877) 661-3376
- Enumerated
- Feb 8, 2007
- Record last updated
- Jul 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 102448590 PA
- Medicare enrollment
- Enrolled (PECOS I20100701000233); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2003
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 681 in Pennsylvania → Look up another NPI →
Also registered at 102 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Derenzo, MDOphthalmology Physician1346327947
- Veronica Eisen, M.D.Radiation Oncology Physician1639310139
- Lisa Ellis, MPAS, PA-CPhysician Assistant1306169792
- Kelly Gaertner, PHARMDPharmacist1538411020
- Hung-Chi Ho, MDRadiation Oncology Physician1205833480
Verify David A. Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD439184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average dermatology physician in 2024
1,470 Medicare Part D claims for 905 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. 304 claims were for opioids.
Most prescribed
- Cephalexin823 claims
- Hydrocodone-Acetaminophen214 claims
- Doxycycline Hyclate202 claims
- Oxycodone-Acetaminophen60 claims
- Gentamicin Sulfate42 claims
- Ketoconazole14 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.
Bills Medicare through one group practice
- Butler Medical ProvidersButler, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Cowan among 681 dermatology physician records in Pennsylvania
David A. Cowan, MD is one of 681 dermatology physician records with a practice address in Pennsylvania. 87% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2003 · median 2007 among the 485 with a school on file
- Record last updated2014 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Pennsylvania
There are 681 dermatology physician records in Pennsylvania.
All 681 in Pennsylvania → Every provider in Butler → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Carolyn WillisMars, PA 160461376595215
- David Amos, MD PHDCranberry Township, PA 160661689650749
- Lindsay BacikCranberry Township, PA 160661942705371
- Andrew King, MDJohnstown, PA 159051174623839
- Renee Mathur, MDJohnstown, PA 159051376531970
- Jennifer ZahniserNew Castle, PA 161051851566194
- Lynn Colaiacovo, M.D.Hermitage, PA 161481013911528
- Richard Johnson, DODu Bois, PA 158011568447969
Common questions
What is David A. Cowan, MD's NPI number?
David A. Cowan, MD's National Provider Identifier (NPI) is 1487795993, issued on Feb 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David A. Cowan, MD located?
The NPPES record lists a practice address at 102 Technology Dr, Butler, PA, 16001. Phone: (877) 661-3376. Providers update this record themselves, so call before visiting.
How can I verify David A. Cowan, MD's license?
NPPES lists Pennsylvania license number MD439184, 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 David A. Cowan, MD prescribe under Medicare Part D?
In 2024, David A. Cowan, MD had 1,470 Medicare Part D claims for 905 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.