NPPES file of Aug 9, 2026

Michael S. Chamberlain, MD

Neurology Physician · Ogden, UT

Michael S. Chamberlain, MD is a neurology physician with a practice address in Ogden, Utah, and NPI 1649859257, issued on Apr 2, 2021. Check the license (Utah 12994411-1205, 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
1649859257
Name
Michael S. Chamberlain
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
12994411-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
4403 Harrison Blvd Ste 2815, Ogden, UT 84403
Phone
(801) 387-7880
Enumerated
Apr 2, 2021
Record last updated
Aug 7, 2026
Medicare enrollment
Enrolled (PECOS I20250714002449); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 2021
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 4403 Harrison Blvd Ste 2815

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

  1. Brett Alldredge, DONeurology Physician1538435979
  2. Lucus Christoffersen, NPAcute Care Nurse Practitioner1629685177
  3. Tyler Okelberry, MDNeurology Physician1538622188

Verify Michael S. Chamberlain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 12994411-1205
    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

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

104 Medicare Part D claims for 29 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Michael Chamberlain104
  2. Specialty average1,370

Most prescribed

  1. Gabapentin18 claims
  2. Ubrelvy12 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. University OF Utah Adult ServicesSalt Lake City, UT

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

Neurology Physician providers in Utah

There are 195 neurology physician records in Utah.

Other neurology physician records in Utah

  1. Nicholas Absalom, MDMidvale, UT1770744112
  2. Francisca Ahn, MDSalt Lake City, UT1750817235
  3. Tegan Ake, MDSalt Lake City, UT1477181808
  4. Ahmad Al Sadat, MDMurray, UT1104828987
  5. Mary Alderson, MDSalt Lake City, UT1891791034
  6. Brett Alldredge, DOOgden, UT1538435979
  7. Shawn AllenSt George, UT1083147441
  8. Juliann Allred, M.D.Salt Lake City, UT1508001736
  9. Matthew AndersonProvo, UT1518456771
  10. Safdar Ansari, M.D.Salt Lake City, UT1568697514

Common questions

What is Michael S. Chamberlain, MD's NPI number?

Michael S. Chamberlain, MD's National Provider Identifier (NPI) is 1649859257, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Michael S. Chamberlain, MD located?

The NPPES record lists a practice address at 4403 Harrison Blvd Ste 2815, Ogden, UT, 84403. Phone: (801) 387-7880. Providers update this record themselves, so call before visiting.

How can I verify Michael S. Chamberlain, MD's license?

NPPES lists Utah license number 12994411-1205, 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 Michael S. Chamberlain, MD prescribe under Medicare Part D?

In 2024, Michael S. Chamberlain, MD had 104 Medicare Part D claims for 29 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.