NPPES file of Aug 9, 2026

Ahmad Dahman

Urology Physician · Portland, OR

Ahmad Dahman is a urology physician with a practice address in Portland, Oregon, and NPI 1427635994, issued on Mar 29, 2021. Check the license (Oregon MD229309, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427635994
Name
Ahmad Dahman
Primary taxonomy
Urology Physician 208800000X
License number
MD229309 OR
Self-reported in NPPES; status is on the state search
Practice location
501 N Graham St Ste 420, Portland, OR 97227
Phone
(503) 288-7303
Enumerated
Mar 29, 2021
Record last updated
Jul 30, 2026
Medicare enrollment
Enrolled (PECOS I20260610002862); may accept Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 501 N Graham St Ste 420

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andrew Doan, PA-CPhysician Assistant1659238525
  2. Sajal Dutta, MDUrology Physician1528055548
  3. Bruce Fernstrom, PA-CSurgical Physician Assistant1255329967
  4. Shelby HillPhysician Assistant1063181881
  5. Jin-Hee Kim, MDUrology Physician1043207871
  6. Melanie Mix, PACSurgical Physician Assistant1922588508

Verify Ahmad Dahman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD229309
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% fewer Medicare Part D claims than the average urology physician in 2024

334 Medicare Part D claims for 210 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 35 claims were for opioids.

  1. Ahmad Dahman334
  2. Specialty average1,340

Most prescribed

  1. Sulfamethoxazole-Trimethoprim120 claims
  2. Ciprofloxacin Hcl50 claims
  3. Hydrocodone-Acetaminophen31 claims
  4. Tamsulosin Hcl31 claims
  5. Ketorolac Tromethamine27 claims
  6. Finasteride12 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.

Ahmad Dahman among 188 urology physician records in Oregon

Ahmad Dahman is one of 188 urology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.

  • NPI issued2021 · 98% of these records are older, 0% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2021 · median 2004 among the 134 with a school on file
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Oregon

There are 188 urology physician records in Oregon.

The 8 urology physician records with the nearest ZIP codes

  1. Sajal Dutta, MDPortland, OR 972271528055548
  2. Jin-Hee Kim, MDPortland, OR 972271043207871
  3. James Bresee, M.D.Portland, OR 972251730484544
  4. Daniel Janoff, MDPortland, OR 972251831239466
  5. David Leaf, M.D.Portland, OR 972251538154877
  6. Michael Lipke, M.D.Portland, OR 972251104811801
  7. Christopher Mershon, M.D.Portland, OR 972251912011677
  8. Brian Shaffer, MDPortland, OR 972251306986930

Common questions

What is Ahmad Dahman's NPI number?

Ahmad Dahman's National Provider Identifier (NPI) is 1427635994, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ahmad Dahman located?

The NPPES record lists a practice address at 501 N Graham St Ste 420, Portland, OR, 97227. Phone: (503) 288-7303. Providers update this record themselves, so call before visiting.

How can I verify Ahmad Dahman's license?

NPPES lists Oregon license number MD229309, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ahmad Dahman prescribe under Medicare Part D?

In 2024, Ahmad Dahman had 334 Medicare Part D claims for 210 beneficiaries; the average among urology physician prescribers was 1,340. 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.