NPPES file of Aug 9, 2026

Catherine Mamah, M.D.

Neurology Physician · Vancouver, WA

Catherine Mamah, M.D. is a neurology physician with a practice address in Vancouver, Washington, and NPI 1811062912, issued on Nov 22, 2006. Check the license (Washington MD60577656, as entered in NPPES) on the Washington Medical Commission; 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
1811062912
Name
Catherine Mamah
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
MD60577656 WA
836 WI
105347 CA
60081 MN
EL31992 NH
Self-reported in NPPES; status is on the state search
Practice location
2121 NE 139TH St, Vancouver, WA 98686
Phone
(360) 487-4707
Enumerated
Nov 22, 2006
Record last updated
Aug 19, 2025
Medicare enrollment
Enrolled (PECOS I20250903003393); accepts Medicare assignment
Medical or professional school
Univ Of Rochester School Of Dental Medicine, 2004
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 2121 NE 139TH St

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

  1. Julie Akin, PTPediatric Physical Therapist1902102338
  2. Brooke Berard, CCC-SLPSpeech-Language Pathologist1043557283
  3. Timothy Berezhnoy, SLPSpeech-Language Pathologist1871456608
  4. Natasha Bui, P.T.Pediatric Physical Therapist1770037970
  5. Amber Burnett, SPTSpeech-Language Pathologist1124208384
  6. Kara Cassar, M.S. CCC-SLPSpeech-Language Pathologist1124237599

Verify Catherine Mamah in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60577656
    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 Washington 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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79% fewer Medicare Part D claims than the average neurology physician in 2024

282 Medicare Part D claims for 87 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Catherine Mamah282
  2. Specialty average1,370

Most prescribed

  1. Nurtec Odt69 claims
  2. Aimovig Autoinjector32 claims
  3. Gabapentin31 claims
  4. Topiramate20 claims
  5. Oxcarbazepine15 claims
  6. Rizatriptan12 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.

4 hospitals and group practices

  1. Cheshire Medical CenterKeene, NH · Acute Care Hospitals4 of 5 stars
  2. Kadlec Regional Medical CenterRichland, WA · Acute Care Hospitals4 of 5 stars
  3. Mary Hitchcock Memorial HospitalKeene, NH · Acute Care Hospitals3 of 5 stars
  4. Sanford Health OF Northern MinnesotaBemidji, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Catherine Mamah among 489 neurology physician records in Washington

Catherine Mamah, M.D. is one of 489 neurology physician records with a practice address in Washington. 82% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2004 · median 2007 among the 351 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Washington

There are 489 neurology physician records in Washington.

The 8 neurology physician records with the nearest ZIP codes

  1. Jill Baird, M.D.Vancouver, WA 986861326381500
  2. John Dempster, M.D.Vancouver, WA 986861386854974
  3. Joseph Freeburg, M.D.Vancouver, WA 986861174898381
  4. Jaesung Kim, M.D.Vancouver, WA 986861962834796
  5. Shereen Seyal, M.D.Vancouver, WA 986861225423064
  6. Paige Skorseth, MDVancouver, WA 986861407432503
  7. Melissa Freeman, MDVancouver, WA 986841548496243
  8. Robert FuinoVancouver, WA 986841962864967

Common questions

What is Catherine Mamah, M.D.'s NPI number?

Catherine Mamah, M.D.'s National Provider Identifier (NPI) is 1811062912, issued on Nov 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Mamah, M.D. located?

The NPPES record lists a practice address at 2121 NE 139TH St, Vancouver, WA, 98686. Phone: (360) 487-4707. Providers update this record themselves, so call before visiting.

How can I verify Catherine Mamah, M.D.'s license?

NPPES lists Washington license number MD60577656, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Catherine Mamah, M.D. prescribe under Medicare Part D?

In 2024, Catherine Mamah, M.D. had 282 Medicare Part D claims for 87 beneficiaries; the average among neurology physician prescribers was 1,370. 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.