John Hamilton Holbrook, M.D.
Internal Medicine Physician · Salt Lake City, UT
John Hamilton Holbrook, M.D. is an internal medicine physician with a practice address in Salt Lake City, Utah, and NPI 1881922045, issued on Nov 30, 2009. Check the license (Utah 149840-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- John Hamilton Holbrook
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 149840-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 2797 Commonwealth Ave, Salt Lake City, UT 84109
- Phone
- (801) 484-7136
- Enumerated
- Nov 30, 2009
- Record last updated
- Nov 30, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (801) 484-9890
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Verify John Hamilton Holbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 149840-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
16 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $48.14
3 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Hamilton Holbrook among 664 internal medicine physician records in Utah
John Hamilton Holbrook, M.D. is one of 664 internal medicine physician records with a practice address in Utah. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2009 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
329 internal medicine physician records list a practice address in Salt Lake City
They are 329 of the 21,563 NPPES records with a practice address in Salt Lake City, and 664 internal medicine physician records in Utah.
All 664 in Utah → Every provider in Salt Lake City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Musci, MDSalt Lake City, UT 841091205853173
- Lewis Barton, M.D.Salt Lake City, UT 841081134498199
- Katie Kaput, DOSalt Lake City, UT 841081740694405
- Chihyung Park, MBBSSalt Lake City, UT 841081497247118
- Crystal Wallentine, M.D.Slc, UT 841081003060815
- Melissa Bentley, M.D.Salt Lake City, UT 841111639354897
- David Hallowell, MDMurray, UT 841071376040790
- Shefali Jhaveri, MDSalt Lake City, UT 841111841239571
Common questions
What is John Hamilton Holbrook, M.D.'s NPI number?
John Hamilton Holbrook, M.D.'s National Provider Identifier (NPI) is 1881922045, issued on Nov 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Hamilton Holbrook, M.D. located?
The NPPES record lists a practice address at 2797 Commonwealth Ave, Salt Lake City, UT, 84109. Phone: (801) 484-7136. Providers update this record themselves, so call before visiting.
How can I verify John Hamilton Holbrook, M.D.'s license?
NPPES lists Utah license number 149840-1205, 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 John Hamilton Holbrook, M.D. prescribe under Medicare Part D?
In 2024, John Hamilton Holbrook, M.D. had 16 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.