Ann Elizabeth Chamberlain, NP
Gerontology Nurse Practitioner · Grand Rapids, MI
Ann Elizabeth Chamberlain, NP is a gerontology nurse practitioner with a practice address in Grand Rapids, Michigan, and NPI 1851984330, issued on Feb 16, 2021. Check the license (Michigan 4704289609, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Elizabeth Chamberlain
- Credential
- NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 4704289609 MI
Self-reported in NPPES; status is on the state search - Practice location
- 230 Michigan St NE Ste 230, Grand Rapids, MI 49503
- Phone
- (616) 774-2822
- Enumerated
- Feb 16, 2021
- Record last updated
- Mar 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20210513001097); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 409 in Michigan → Look up another NPI →
Also registered at 230 Michigan St NE Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ann Elizabeth Chamberlain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704289609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
406 Medicare Part D claims for 63 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Daptomycin47 claims
- Ceftriaxone41 claims
- Amoxicillin-Clavulanate Potass40 claims
- Meropenem33 claims
- Vancomycin Hcl32 claims
- Sulfamethoxazole-Trimethoprim27 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 3 group practices
- Msu Health Care Inc.East Lansing, MI
- Powerback Rehabilitation LLCJackson, MI
- 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).
Ann Elizabeth Chamberlain among 409 gerontology nurse practitioner records in Michigan
Ann Elizabeth Chamberlain, NP is one of 409 gerontology nurse practitioner records with a practice address in Michigan. 81% 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 61% of them.
- NPI issued2021 · 61% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2019 among the 269 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Michigan
There are 409 gerontology nurse practitioner records in Michigan.
All 409 in Michigan → Every provider in Grand Rapids → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Lara Dengerink-Vantil, NPGrand Rapids, MI 495031679023501
- Laura Goodwin, AGPCNP-BCGrand Rapids, MI 495031063818326
- Sarah Grohowski, AGNPGrand Rapids, MI 495031225405822
- Emily Keen, NPGrand Rapids, MI 495031588064638
- Jane Kotarski, CNPGrand Rapids, MI 495031922046374
- Courtney Lane, CNPGrand Rapids, MI 495031720410400
- Jill Paauwe, N.P.Grand Rapids, MI 495031669544078
- Margaret Perec, NP-CGrand Rapids, MI 495031366899718
Common questions
What is Ann Elizabeth Chamberlain, NP's NPI number?
Ann Elizabeth Chamberlain, NP's National Provider Identifier (NPI) is 1851984330, issued on Feb 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ann Elizabeth Chamberlain, NP located?
The NPPES record lists a practice address at 230 Michigan St NE Ste 230, Grand Rapids, MI, 49503. Phone: (616) 774-2822. Providers update this record themselves, so call before visiting.
How can I verify Ann Elizabeth Chamberlain, NP's license?
NPPES lists Michigan license number 4704289609, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Elizabeth Chamberlain, NP prescribe under Medicare Part D?
In 2024, Ann Elizabeth Chamberlain, NP had 406 Medicare Part D claims for 63 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.