NPPES file of Aug 9, 2026

William B. Ferman, MD

Family Medicine Physician · Bremerton, WA

William B. Ferman, MD is a family medicine physician with a practice address in Bremerton, Washington, and NPI 1457344053, issued on Aug 30, 2005. Check the license (Washington MD 00026366, 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
1457344053
Name
William B. Ferman
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD 00026366 WA
Self-reported in NPPES; status is on the state search
Practice location
1310 Bertha Ave, Bremerton, WA 98312
Phone
(360) 373-0200
Enumerated
Aug 30, 2005
Record last updated
Apr 10, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(360) 373-0425
Medicaid ID
7067655 WA
Medicare enrollment
Enrolled (PECOS I20071221000295); accepts Medicare assignment
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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Verify William B. Ferman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD 00026366
    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

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

273 Medicare Part D claims for 31 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. William Ferman273
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate15 claims
  2. Folic Acid15 claims
  3. Losartan Potassium13 claims
  4. Carvedilol11 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.

William B. Ferman among 5,534 family medicine physician records in Washington

William B. Ferman, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1983 · median 2009 among the 3,294 with a school on file
  • Record last updated2008 · 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 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 family medicine physician records list a practice address in Bremerton

They are 70 of the 3,142 NPPES records with a practice address in Bremerton, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ronald Dommermuth, M.D.Bremerton, WA 983121194793000
  2. Erica Grogan, D.O.Bremerton, WA 983121306816442
  3. Andrew Hamilton, M.D.Bremerton, WA 983121639141567
  4. Noa Hammer, MDBremerton, WA 983121194797126
  5. Karen Hover, M.D.Bremerton, WA 983121053317404
  6. Robert Hunter, DOBremerton, WA 983121992795033
  7. Frank Johnson, M.D.Bremerton, WA 983121396705166
  8. William Klorig, M.D.Bremerton, WA 983121932185857

Common questions

What is William B. Ferman, MD's NPI number?

William B. Ferman, MD's National Provider Identifier (NPI) is 1457344053, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William B. Ferman, MD located?

The NPPES record lists a practice address at 1310 Bertha Ave, Bremerton, WA, 98312. Phone: (360) 373-0200. Providers update this record themselves, so call before visiting.

How can I verify William B. Ferman, MD's license?

NPPES lists Washington license number MD 00026366, 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 William B. Ferman, MD prescribe under Medicare Part D?

In 2024, William B. Ferman, MD had 273 Medicare Part D claims for 31 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.