Marshall Spiegel, DO
Internal Medicine Physician · Millcreek, UT
Marshall Spiegel, DO is an internal medicine physician with a practice address in Millcreek, Utah, and NPI 1457938748, issued on Mar 24, 2021. Check the license (Utah 13934300-1204, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Marshall Spiegel
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 13934300-1204 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1200 E 3900 S, Millcreek, UT 84124
- Phone
- (801) 268-7111
- Enumerated
- Mar 24, 2021
- Record last updated
- Apr 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20240515003452); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 1200 E 3900 S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abigail Boyer, SLPSpeech-Language Pathologist1770238503
- Justin Castellow, MDNeonatal-Perinatal Medicine Physician1639565344
- Clinton Gillespie, RNMedical-Surgical Registered Nurse1376360784
- Amber Hardman, DNPCritical Care Medicine Nurse Practitioner1023603552
- Joshua Larson, PARAMEDICParamedic1477407146
- Regan Leemaster, PHARMDPharmacist1437099587
Verify Marshall Spiegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 13934300-1204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
267 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Potassium Chloride15 claims
- Furosemide14 claims
- Amoxicillin-Clavulanate Potass13 claims
- Amlodipine Besylate11 claims
- Atorvastatin Calcium11 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
- Utah Regional Hospitalists LLCDraper, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marshall Spiegel among 664 internal medicine physician records in Utah
Marshall Spiegel, DO 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 2021, is newer than 81% of them.
- NPI issued2021 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · median 2007 among the 354 with a school on file
- Record last updated2024 · 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).
Internal Medicine Physician providers in Utah
There are 664 internal medicine physician records in Utah.
All 664 in Utah → Every provider in Millcreek → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Aslami, M.D.Salt Lake City, UT 841241134151558
- Thomas Barman, MDSalt Lake City, UT 841241881704286
- Jonathan Blanch, MDSalt Lake City, UT 841241295757573
- Ellen Guthrie, MDSalt Lake City, UT 841241497868392
- Richard Herold, MDSalt Lake City, UT 841241891799318
- David Kuo, M.D.Salt Lake City, UT 841241508881640
- Margaret Lunt, M.D.Salt Lake City, UT 841241326070731
- Jennifer Norris, MDSalt Lake City, UT 841241932210895
Common questions
What is Marshall Spiegel, DO's NPI number?
Marshall Spiegel, DO's National Provider Identifier (NPI) is 1457938748, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Spiegel, DO located?
The NPPES record lists a practice address at 1200 E 3900 S, Millcreek, UT, 84124. Phone: (801) 268-7111. Providers update this record themselves, so call before visiting.
How can I verify Marshall Spiegel, DO's license?
NPPES lists Utah license number 13934300-1204, 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 Marshall Spiegel, DO prescribe under Medicare Part D?
In 2024, Marshall Spiegel, DO had 267 Medicare Part D claims for 99 beneficiaries; 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.