Cynthia Elizabeth Louise Peacock, MD
Anesthesiology Physician · Grand Rapids, MI
Cynthia Elizabeth Louise Peacock, MD is an anesthesiology physician with a practice address in Grand Rapids, Michigan, and NPI 1790941102, issued on Aug 5, 2008. Check the license (Michigan 4301101410, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Cynthia Elizabeth Louise Peacock
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 4301101410 MI
125050909 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 364-4200
- Enumerated
- Aug 5, 2008
- Record last updated
- Jan 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20121108000276); accepts Medicare assignment
- Medical or professional school
- Illinois Medical College, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →
Also registered at 100 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aly Abdel-Mageed, MDPediatric Hematology & Oncology Physician1851361190
- Muriam Afzal, MDFamily Medicine Physician1174759906
- Shefali Aggarwal, M.DPediatric Critical Care Medicine Physician1720408313
- Muhammad Ali Akbar, MDInternal Medicine Physician1518529742
- Ghassan Al Nabhan, M.D.Internal Medicine Physician1326458068
- Zain AlajjouriEmergency Medicine Physician1366183295
Verify Cynthia Elizabeth Louise Peacock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301101410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Elizabeth Louise Peacock among 1,720 anesthesiology physician records in Michigan
Cynthia Elizabeth Louise Peacock, MD is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2006 · median 2006 among the 1,126 with a school on file
- Record last updated2024 · 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 207L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Michigan
There are 1,720 anesthesiology physician records in Michigan.
All 1,720 in Michigan → Every provider in Grand Rapids → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- William Baguley, M.D.Grand Rapids, MI 495031215978002
- Rex Fouch, M.D.Grand Rapids, MI 495031376584144
- Keith Getz, M.D.Grand Rapids, MI 495031710928585
- Sean Growney, DOGrand Rapids, MI 495031720049950
- John Huntington, MDGrand Rapids, MI 495031558340380
- Shelly Kahler, M.D.Grand Rapids, MI 495031770531022
- Matthew Parlmer, DOGrand Rapids, MI 495031801860002
- Roxanne Richards, MDGrand Rapids, MI 495031710983226
Common questions
What is Cynthia Elizabeth Louise Peacock, MD's NPI number?
Cynthia Elizabeth Louise Peacock, MD's National Provider Identifier (NPI) is 1790941102, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Elizabeth Louise Peacock, MD located?
The NPPES record lists a practice address at 100 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 364-4200. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Elizabeth Louise Peacock, MD's license?
NPPES lists Michigan license number 4301101410, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.