Robert J. Peacock, CRNA
Certified Registered Nurse Anesthetist · Ionia, MI
Robert J. Peacock, CRNA is a certified registered nurse anesthetist with a practice address in Ionia, Michigan, and NPI 1912941865, issued on Jun 15, 2006. Check the license (Michigan 4704137243, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert J. Peacock
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 4704137243 MI
Self-reported in NPPES; status is on the state search - Practice location
- 479 Lafayette St, Ionia, MI 48846
- Phone
- (616) 527-4200
- Enumerated
- Jun 15, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (616) 527-5731
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 3,298 in Michigan → Look up another NPI →
Also registered at 479 Lafayette St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Estes, M.D.Family Medicine Physician1851341499
- Scott Holmes, M.D.Emergency Medicine Physician1790883189
- Haresh Pandya, M.D.Family Medicine Physician1073608519
- Kenneth Williams, CRNACertified Registered Nurse Anesthetist1679636591
Verify Robert J. Peacock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704137243Check 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): 97.4 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).
Robert J. Peacock among 3,298 certified registered nurse anesthetist records in Michigan
Robert J. Peacock, CRNA is one of 3,298 certified registered nurse anesthetist records with a practice address in Michigan. 78% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 61% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Michigan
There are 3,298 certified registered nurse anesthetist records in Michigan.
All 3,298 in Michigan → Every provider in Ionia → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Kimberly Fewins, CRNAIonia, MI 488461689630238
- Kenneth Williams, CRNAIonia, MI 488461679636591
- Sarah Dirosa, CRNAHowell, MI 488431134581531
- Thomas Humphrey, CRNAHowell, MI 488431184724973
- Lyndsey Jung, CRNAHowell, MI 488431740691278
- Julie Karwick, CRNAHowell, MI 488431346420635
- Courtney Miller, BSN, RN, CRNAHowell, MI 488431912646340
- Kelly PatrelloHowell, MI 488431336419399
Common questions
What is Robert J. Peacock, CRNA's NPI number?
Robert J. Peacock, CRNA's National Provider Identifier (NPI) is 1912941865, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Peacock, CRNA located?
The NPPES record lists a practice address at 479 Lafayette St, Ionia, MI, 48846. Phone: (616) 527-4200. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Peacock, CRNA's license?
NPPES lists Michigan license number 4704137243, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
What is Robert J. Peacock, CRNA's MIPS final score?
The 2023 MIPS final score is 97.4 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.