Catherine E. Sobieski, MD
Internal Medicine Physician · Salt Lake City, UT
Catherine E. Sobieski, MD is an internal medicine physician with a practice address in Salt Lake City, Utah, and NPI 1962083584, issued on Apr 15, 2021. Check the license (Utah 12985098-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Catherine E. Sobieski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12985098-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 30 N 1900 E # 4C116, Salt Lake City, UT 84132
- Phone
- (801) 581-7899
- Enumerated
- Apr 15, 2021
- Record last updated
- Aug 18, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 664 in Utah → Look up another NPI →
Also registered at 30 N 1900 E # 4C116
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine E. Sobieski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 12985098-1205Check 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
45 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% 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.
Catherine E. Sobieski among 664 internal medicine physician records in Utah
Catherine E. Sobieski, MD 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 fileNo · 53% of these records are
- Record last updated2022 · 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
- Kurt Bernhisel, MDSalt Lake City, UT 841321205926839
- Philip Bossart, MDSalt Lake City, UT 841321497845077
- Lei Chen, M.D.Salt Lake City, UT 841321396760724
- Margaret Conroy, MDSalt Lake City, UT 841321871565424
- John Doane, MDSalt Lake City, UT 841321871683466
- Gerald Gleich, M.D.Salt Lake City, UT 841321174545800
- Helen HongSalt Lake City, UT 841321760593214
- William Howell, M.B.B.CH.Salt Lake City, UT 841321528011327
Common questions
What is Catherine E. Sobieski, MD's NPI number?
Catherine E. Sobieski, MD's National Provider Identifier (NPI) is 1962083584, issued on Apr 15, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Catherine E. Sobieski, MD located?
The NPPES record lists a practice address at 30 N 1900 E # 4C116, Salt Lake City, UT, 84132. Phone: (801) 581-7899. Providers update this record themselves, so call before visiting.
How can I verify Catherine E. Sobieski, MD's license?
NPPES lists Utah license number 12985098-1205, 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 Catherine E. Sobieski, MD prescribe under Medicare Part D?
In 2024, Catherine E. Sobieski, MD had 45 Medicare Part D claims for 28 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.