NPPES file of Aug 9, 2026

William Frederick Fitter, M.D.

Anatomic Pathology & Clinical Pathology Physician · Tulsa, OK

William Frederick Fitter, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Tulsa, Oklahoma, and NPI 1003837600, issued on Jul 21, 2006. Check the license (Oklahoma 16319, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1003837600
Name
William Frederick Fitter
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License numbers
16319 OK
04-28864 KS
4301039358 MI
Self-reported in NPPES; status is on the state search
Practice location
1923 S Utica Ave, Tulsa, OK 74104
Phone
(918) 744-2553
Enumerated
Jul 21, 2006
Record last updated
Aug 13, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(918) 744-3482
Medicaid ID
1827 OK
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 1923 S Utica Ave

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

  1. Francis AnangfacRegistered Nurse1689533549
  2. Brett Anderson, M.D.Emergency Medicine Physician1497042279
  3. Rebecca Arant, M.D.Emergency Medicine Physician1134220403
  4. Kanwaljit Aulakh, M.D.Anatomic Pathology & Clinical Pathology Physician1376790329
  5. Aubrey Ballard, CRNACertified Registered Nurse Anesthetist1679958797
  6. Dixie Banner, RN, CNSEmergency Clinical Nurse Specialist1932355807

Verify William Frederick Fitter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 16319
    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 Oklahoma 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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86% fewer Medicare Part D claims than the average anatomic pathology & clinical pathology physician in 2024

26 Medicare Part D claims, against an average of 192 among the 401 providers of this specialty who prescribed in Part D.

  1. William Fitter26
  2. Specialty average192

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 Frederick Fitter among 150 anatomic pathology & clinical pathology physician records in Oklahoma

William Frederick Fitter, M.D. is one of 150 anatomic pathology & clinical pathology physician records with a practice address in Oklahoma. 54% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 49% newer
  • In a Medicare fileYes · 54% of these records are
  • In the CMS Doctors and Clinicians fileNo · 47% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in Oklahoma

There are 150 anatomic pathology & clinical pathology physician records in Oklahoma.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Tammy Battaglia, M.D.Tulsa, OK 741041801813696
  2. Brian Bock, M.D.Tulsa, OK 741041922020213
  3. Bruce Brookby, M.D.Tulsa, OK 741041851312516
  4. Steven Casner, M.D.Tulsa, OK 741041427075225
  5. Arthur Crowson, M.D.Tulsa, OK 741041598786287
  6. Paul Gelven, M.D.Tulsa, OK 741041851318554
  7. Susan Green, MDTulsa, OK 741041326028929
  8. Brent Hartsell, M.D.Tulsa, OK 741041265459960

Common questions

What is William Frederick Fitter, M.D.'s NPI number?

William Frederick Fitter, M.D.'s National Provider Identifier (NPI) is 1003837600, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Frederick Fitter, M.D. located?

The NPPES record lists a practice address at 1923 S Utica Ave, Tulsa, OK, 74104. Phone: (918) 744-2553. Providers update this record themselves, so call before visiting.

How can I verify William Frederick Fitter, M.D.'s license?

NPPES lists Oklahoma license number 16319, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Frederick Fitter, M.D. prescribe under Medicare Part D?

In 2024, William Frederick Fitter, M.D. had 26 Medicare Part D claims; the average among anatomic pathology & clinical pathology physician prescribers was 192. 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.