NPPES file of Aug 9, 2026

Isabella Felzer-Kim

Psychiatry Physician · Grand Rapids, MI

Isabella Felzer-Kim is a psychiatry physician with a practice address in Grand Rapids, Michigan, and NPI 1205572971, issued on May 6, 2022. Check the license (Michigan 4301514095, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205572971
Name
Isabella Felzer-Kim
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
4301514095 MI
Self-reported in NPPES; status is on the state search
Practice location
790 Fuller Ave NE, Grand Rapids, MI 49503
Phone
(616) 336-3909
Enumerated
May 6, 2022
Record last updated
Jul 28, 2026
Fax
(616) 336-8830
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 790 Fuller Ave NE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angela Aguilar, RNAdult Psychiatric/Mental Health Registered Nurse1992262109
  2. Aubrie AllenCase Manager/Care Coordinator1407553928
  3. Araceli Alvarez, LLMSWSocial Worker1932816139
  4. Andrew AmidonCase Manager/Care Coordinator1437804564
  5. Trechaun AndersonSocial Worker1649914367
  6. Stacey AndrewsCase Manager/Care Coordinator1497583546

Verify Isabella Felzer-Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301514095
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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51% fewer Medicare Part D claims than the average psychiatry physician in 2024

487 Medicare Part D claims for 32 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Isabella Felzer-Kim487
  2. Specialty average1,000

Most prescribed

  1. Duloxetine Hcl59 claims
  2. Hydroxyzine Hcl29 claims
  3. Trazodone Hcl28 claims
  4. Sertraline Hcl24 claims
  5. Escitalopram Oxalate23 claims
  6. Bupropion Xl22 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.

Isabella Felzer-Kim among 1,729 psychiatry physician records in Michigan

Isabella Felzer-Kim is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.

  • NPI issued2022 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

206 psychiatry physician records list a practice address in Grand Rapids

They are 206 of the 18,005 NPPES records with a practice address in Grand Rapids, and 1,729 psychiatry physician records in Michigan.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Suma Cherukuri, D.O.Grand Rapids, MI 495031528247590
  2. Denise Gregory, M.D.Grand Rapids, MI 495031336195007
  3. Robert Holwerda, DOGrand Rapids, MI 495031205995735
  4. Carey Krause, D.O.Grand Rapids, MI 495031467408229
  5. Ryan Marin, MDGrand Rapids, MI 495031174787543
  6. Jamie McLean, M.D.Grand Rapids, MI 495031922205772
  7. John Mitchell, MDGrand Rapids, MI 495031316147572
  8. Mazhar Munir, MDGrand Rapids, MI 495031821083924

Common questions

What is Isabella Felzer-Kim's NPI number?

Isabella Felzer-Kim's National Provider Identifier (NPI) is 1205572971, issued on May 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Isabella Felzer-Kim located?

The NPPES record lists a practice address at 790 Fuller Ave NE, Grand Rapids, MI, 49503. Phone: (616) 336-3909. Providers update this record themselves, so call before visiting.

How can I verify Isabella Felzer-Kim's license?

NPPES lists Michigan license number 4301514095, 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.

How much does Isabella Felzer-Kim prescribe under Medicare Part D?

In 2024, Isabella Felzer-Kim had 487 Medicare Part D claims for 32 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.