Nathan Fritz, D.O.
Emergency Medicine Physician · Grand Rapids, MI
Nathan Fritz, D.O. is an emergency medicine physician with a practice address in Grand Rapids, Michigan, and NPI 1689014003, issued on Jun 29, 2013. Check the license (Michigan 5101020632, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathan Fritz
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101020632 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1840 Wealthy St SE, Grand Rapids, MI 49506
- Phone
- (616) 391-1730
- Enumerated
- Jun 29, 2013
- Record last updated
- Feb 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20151105000201); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1840 Wealthy St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Allor, MDAnesthesiology Physician1891130670
- Katelyn Baker-Sulek, OTR/L, CTRSOccupational Therapist1619544434
- Ashley Barron, DPTPhysical Therapist1356015598
- Jayaseeli Bastin, M.D.Internal Medicine Physician1437365897
- Alexander Behm, M.D.Anesthesiology Physician1669811535
- Sarah Behrens, PHYSICAL THERAPISTPhysical Therapist1962905406
Verify Nathan Fritz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101020632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average emergency medicine physician in 2024
201 Medicare Part D claims for 150 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Prednisone20 claims
- Cefuroxime17 claims
- Ondansetron Odt16 claims
- Cephalexin15 claims
- Hydrocodone-Acetaminophen12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.3 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
- Ecs Western Michigan PCGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Fritz among 3,083 emergency medicine physician records in Michigan
Nathan Fritz, D.O. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 51% of them.
- NPI issued2013 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2013 among the 1,931 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
192 emergency medicine physician records list a practice address in Grand Rapids
They are 192 of the 18,005 NPPES records with a practice address in Grand Rapids, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Grand Rapids → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Steven Denhof, D.O.Grand Rapids, MI 495061013257252
- Michael Doyle, DOGrand Rapids, MI 495061255861241
- Troy Elders, MDGrand Rapids, MI 495061700574241
- Andrew Michmerhuizen, D.O.Grand Rapids, MI 495061326266404
- Diana Nordlund, DOGrand Rapids, MI 495061346461860
- Hayden Schenker, MDGrand Rapids, MI 495061124656558
- Sara Urquhart, MDGrand Rapids, MI 495061033856901
- Joshua Vance, D.O.Grand Rapids, MI 495061649492463
Common questions
What is Nathan Fritz, D.O.'s NPI number?
Nathan Fritz, D.O.'s National Provider Identifier (NPI) is 1689014003, issued on Jun 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Fritz, D.O. located?
The NPPES record lists a practice address at 1840 Wealthy St SE, Grand Rapids, MI, 49506. Phone: (616) 391-1730. Providers update this record themselves, so call before visiting.
How can I verify Nathan Fritz, D.O.'s license?
NPPES lists Michigan license number 5101020632, 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 Nathan Fritz, D.O. prescribe under Medicare Part D?
In 2024, Nathan Fritz, D.O. had 201 Medicare Part D claims for 150 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Nathan Fritz, D.O.'s MIPS final score?
The 2023 MIPS final score is 96.3 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.