NPPES file of Aug 9, 2026

Tammi Lenee Williams, M.D.

Obstetrics & Gynecology Physician · Gilbert, AZ

Tammi Lenee Williams, M.D. is an obstetrics & gynecology physician with a practice address in Gilbert, Arizona, and NPI 1003876509, issued on Mar 27, 2006. Check the license (Arizona 55489, as entered in NPPES) on the Arizona 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
1003876509
Name
Tammi Lenee Williams
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
55489 AZ
Self-reported in NPPES; status is on the state search
Practice location
5656 S Power RD Ste 137, Gilbert, AZ 85295
Phone
(480) 821-3600
Enumerated
Mar 27, 2006
Record last updated
Nov 1, 2023
Fax
(480) 543-2033
Medicaid ID
097220 AZ
Medicare enrollment
Enrolled (PECOS I20210923000900); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 1988
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 5656 S Power RD Ste 137

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

  1. Terri Larkin, NPWomen's Health Nurse Practitioner1508197906
  2. Ashlee Udall, NPNurse Practitioner1063395465

Verify Tammi Lenee Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 55489
    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 Arizona license search

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87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

21 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Tammi Williams21
  2. Specialty average165

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.

Industry payments in 2024: $44.71

2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammi Williams$44.71
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Momdoc LLCGilbert, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arizona

There are 803 obstetrics & gynecology physician records in Arizona.

Other obstetrics & gynecology physician records in Arizona

  1. Michelle Abbate, MDTucson, AZ1184111940
  2. Judith Adams, MDGilbert, AZ1457644759
  3. Julie Adams, DOChandler, AZ1285607333
  4. Karen Adams, MDPhoenix, AZ1023192333
  5. Andrew Adamson, DOMesa, AZ1124330220
  6. Elana Addis, M.DTucson, AZ1730150582
  7. Eugene Adel, M.D.Mesa, AZ1609301621
  8. Oluwatoyosi Adeoye, MDPhoenix, AZ1316679921
  9. Nicole Afuape, M.D.Phoenix, AZ1912391210
  10. Farshad Agahi, M.D.Phoenix, AZ1386886430

Common questions

What is Tammi Lenee Williams, M.D.'s NPI number?

Tammi Lenee Williams, M.D.'s National Provider Identifier (NPI) is 1003876509, issued on Mar 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tammi Lenee Williams, M.D. located?

The NPPES record lists a practice address at 5656 S Power RD Ste 137, Gilbert, AZ, 85295. Phone: (480) 821-3600. Providers update this record themselves, so call before visiting.

How can I verify Tammi Lenee Williams, M.D.'s license?

NPPES lists Arizona license number 55489, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tammi Lenee Williams, M.D. prescribe under Medicare Part D?

In 2024, Tammi Lenee Williams, M.D. had 21 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.