Registry data as of Aug 27, 2026

Catherine Oakley

Physician Assistant · Frederick, MD

Catherine Oakley is a physician assistant with a practice address in Frederick, Maryland, and NPI 1235948274, issued on Jan 3, 2025. Check the license (Maryland C0009743, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235948274
Name
Catherine Oakley
Primary taxonomy
Physician Assistant 363A00000X
License number
C0009743 MD
Self-reported in NPPES; status is on the state search
Practice location
74 Thomas Johnson Dr, Frederick, MD 21702
Phone
(301) 694-9033
Enumerated
Jan 3, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 74 Thomas Johnson Dr

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

  1. Samir Ahuja, M.D.Cardiovascular Disease Physician1679778658
  2. Amanda Bruce, CRNPAcute Care Nurse Practitioner1194436980
  3. Manuel Casiano, M.D.Surgery Physician1346219318
  4. Tina CoopFamily Nurse Practitioner1053144352
  5. Alireza Hazrati, CRFNP-BCRegistered Nurse1942692587
  6. Richard Howard, MDInterventional Cardiology Physician1447249255

Verify Catherine Oakley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license C0009743
    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
Find the Maryland 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.

One hospital or facility affiliation

  1. Sherman Kahan, M.D., P.A.Frederick, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

96 physician assistant records list a Frederick practice address

They are 96 of the 3,981 NPPES records with a Frederick practice address, and 3,136 physician assistant records in Maryland.

Other physician assistant records in Maryland

  1. Habiba AbbasiBaltimore, MD1528930302
  2. Hiba Abbasi, PAGreenbelt, MD1407520182
  3. Eric Abbott, PA-CBaltimore, MD1669873089
  4. Jenifer Abbott, PA-CHavre De Grace, MD1225136161
  5. Lauren Abbott, PAFort George G Meade, MD1033253869
  6. Trevor Abbott, PASalisbury, MD1578984803
  7. Norhan AbdallaRockville, MD1700631660
  8. Susanna Abdelkarim, PA-CGaithersburg, MD1477979938
  9. Helen Abebe, PACheverly, MD1568833671
  10. Heran Abeye, PA-CBaltimore, MD1831656545

Common questions

What is Catherine Oakley's NPI number?

Catherine Oakley's National Provider Identifier (NPI) is 1235948274, issued on Jan 3, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Oakley located?

The NPPES record lists a practice address at 74 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 694-9033. Providers update this record themselves, so call before visiting.

How can I verify Catherine Oakley's license?

NPPES lists Maryland license number C0009743, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.