Ruth Ann Zimmer, MD
Anesthesiology Physician · Salt Lake City, UT
Ruth Ann Zimmer, MD is an anesthesiology physician with a practice address in Salt Lake City, Utah, and NPI 1891806758, issued on Aug 31, 2006. Check the license (Utah 263677-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Ruth Ann Zimmer
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 263677-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 359 - 8TH Avenue, Salt Lake City, UT 84103
- Phone
- (801) 408-3200
- Enumerated
- Aug 31, 2006
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (801) 733-5618
- Medicaid IDs
- 003035500 ID
113483300 WY
854506 AZ
100503084 NV - Medicare enrollment
- Enrolled (PECOS I20051116000207); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 670 in Utah → Look up another NPI →
Also registered at 359 - 8TH Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Harris, MDAnesthesiology Physician1467554428
- Jan Osterstock, MDAnesthesiology Physician1043312952
- Kit Smith, MDAnesthesiology Physician1407968464
Verify Ruth Ann Zimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 263677-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mountain West Anesthesia LLCSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruth Ann Zimmer among 670 anesthesiology physician records in Utah
Ruth Ann Zimmer, MD is one of 670 anesthesiology physician records with a practice address in Utah. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1992 · median 2008 among the 452 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
293 anesthesiology physician records list a practice address in Salt Lake City
They are 293 of the 21,563 NPPES records with a practice address in Salt Lake City, and 670 anesthesiology physician records in Utah.
All 670 in Utah → Every provider in Salt Lake City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Catherine Harris, MDSalt Lake City, UT 841031467554428
- Marlon Michel, MD MBASalt Lake City, UT 841031578664892
- Jan Osterstock, MDSalt Lake City, UT 841031043312952
- Kit Smith, MDSalt Lake City, UT 841031407968464
- Blake Campbell, M.D.Salt Lake City, UT 841021114345543
- Ben Howard, DOSalt Lake City, UT 841021477575942
- Clyn Robinson, M.D.Salt Lake City, UT 841021033117114
- Ryan Wade, DOSalt Lake City, UT 841021285892729
Common questions
What is Ruth Ann Zimmer, MD's NPI number?
Ruth Ann Zimmer, MD's National Provider Identifier (NPI) is 1891806758, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Ann Zimmer, MD located?
The NPPES record lists a practice address at 359 - 8TH Avenue, Salt Lake City, UT, 84103. Phone: (801) 408-3200. Providers update this record themselves, so call before visiting.
How can I verify Ruth Ann Zimmer, MD's license?
NPPES lists Utah license number 263677-1205, 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.
What is Ruth Ann Zimmer, MD's MIPS final score?
The 2023 MIPS final score is 79.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.