NPPES file of Aug 9, 2026

Diantha Williamson, M.D.

Family Medicine Physician · Salt Lake City, UT

Diantha Williamson, M.D. is a family medicine physician with a practice address in Salt Lake City, Utah, and NPI 1720467780, issued on May 23, 2015. Check the license (Utah 9854067-1205, as entered in NPPES) on the Utah Medical Licensing 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
1720467780
Name
Diantha Williamson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
9854067-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
1250 E 3900 S Ste 260, Salt Lake City, UT 84124
Phone
(801) 265-2000
Enumerated
May 23, 2015
Record last updated
Aug 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(801) 265-2008
Medicare enrollment
Enrolled (PECOS I20180123000366); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 2015
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 1250 E 3900 S Ste 260

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

  1. Kelly Anderson, DNP, APRN-CNP, FNP-CFamily Nurse Practitioner1184481905
  2. Elsie Antuna ValenciaStudent in an Organized Health Care Education/Training Program1750182606
  3. Maria Becerra Martinez, DNP, FNP-C, APRNFamily Nurse Practitioner1538981683
  4. Elise Blaseg, MDFamily Medicine Physician1205585742
  5. Maryana Boulos, MDFamily Medicine Physician1598325821
  6. Davin BrownPrimary Care Nurse Practitioner1356032957

Verify Diantha Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 9854067-1205
    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 Utah 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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85% fewer Medicare Part D claims than the average family medicine physician in 2024

524 Medicare Part D claims for 408 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Diantha Williamson524
  2. Specialty average3,544

Most prescribed

  1. Cephalexin83 claims
  2. Prednisone45 claims
  3. Doxycycline Monohydrate38 claims
  4. Amoxicillin36 claims
  5. Mupirocin21 claims
  6. Triamcinolone Acetonide21 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.

Bills Medicare through one group practice

  1. Ihc Health Services IncSandy, UT

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

Diantha Williamson among 1,411 family medicine physician records in Utah

Diantha Williamson, M.D. is one of 1,411 family medicine physician records with a practice address in Utah. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.

  • NPI issued2015 · 73% of these records are older, 25% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2015 · median 2008 among the 942 with a school on file
  • Record last updated2016 · 58% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

240 family medicine physician records list a practice address in Salt Lake City

They are 240 of the 21,563 NPPES records with a practice address in Salt Lake City, and 1,411 family medicine physician records in Utah.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Allen, M.D.Salt Lake City, UT 841241831174226
  2. Stacey BankSalt Lake City, UT 841241790797959
  3. John Berneike, M.D.Salt Lake City, UT 841241982688321
  4. Camille Collett, M.D.Salt Lake City, UT 841241275530305
  5. Robert Corson, M.D.Salt Lake City, UT 841241902899545
  6. Brian Drage, M.D.Salt Lake City, UT 841241932278785
  7. David Duncan, DOSalt Lake City, UT 841241871516625
  8. Lawrence Grandy, M.D.Salt Lake City, UT 841241306829056

Common questions

What is Diantha Williamson, M.D.'s NPI number?

Diantha Williamson, M.D.'s National Provider Identifier (NPI) is 1720467780, issued on May 23, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Diantha Williamson, M.D. located?

The NPPES record lists a practice address at 1250 E 3900 S Ste 260, Salt Lake City, UT, 84124. Phone: (801) 265-2000. Providers update this record themselves, so call before visiting.

How can I verify Diantha Williamson, M.D.'s license?

NPPES lists Utah license number 9854067-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Diantha Williamson, M.D. prescribe under Medicare Part D?

In 2024, Diantha Williamson, M.D. had 524 Medicare Part D claims for 408 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.