Nathanial Ray Chumley, MD
Family Medicine Physician · Holland, MI
Nathanial Ray Chumley, MD is a family medicine physician with a practice address in Holland, Michigan, and NPI 1316218571, issued on Jan 19, 2012. Check the license (Michigan 4301510123, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Nathanial Ray Chumley
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 4301510123 MI
Self-reported in NPPES; status is on the state search - Practice location
- 250 E 8TH St, Holland, MI 49423
- Phone
- (616) 494-5970
- Enumerated
- Jan 19, 2012
- Record last updated
- May 2, 2024
- Fax
- (616) 494-5975
- Medicare enrollment
- Enrolled (PECOS I20231016000618); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 250 E 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brooke McKinney, NPGerontology Nurse Practitioner1144746686
- Jonathon Reither, MDInternal Medicine Physician1669615407
Verify Nathanial Ray Chumley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301510123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,465 Medicare Part D claims for 1,121 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 90 claims were for opioids.
Most prescribed
- Atorvastatin Calcium448 claims
- Levothyroxine Sodium297 claims
- Amlodipine Besylate275 claims
- Omeprazole265 claims
- Losartan Potassium246 claims
- Lisinopril244 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.
Industry payments in 2024: $18.69
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Spectrum Health Primary Care PartnersHolland, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathanial Ray Chumley among 6,013 family medicine physician records in Michigan
Nathanial Ray Chumley, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.
- NPI issued2012 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2008 among the 3,493 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 family medicine physician records list a practice address in Holland
They are 53 of the 2,124 NPPES records with a practice address in Holland, and 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Holland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kristine Aulepp, DOHolland, MI 494231285655522
- Kristin Baier, M.D.Holland, MI 494231316236987
- William Bonzelaar, M.D.032354Holland, MI 494231053374165
- David Bosscher, D.O.Holland, MI 494231417950270
- Peter Christensen, DOHolland, MI 494231720007834
- Jack Derks, MDHolland, MI 494231134144413
- Margret Duncan, MDHolland, MI 494231114940434
- Russell Dykstra, M.D.Holland, MI 494231225091333
Common questions
What is Nathanial Ray Chumley, MD's NPI number?
Nathanial Ray Chumley, MD's National Provider Identifier (NPI) is 1316218571, issued on Jan 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nathanial Ray Chumley, MD located?
The NPPES record lists a practice address at 250 E 8TH St, Holland, MI, 49423. Phone: (616) 494-5970. Providers update this record themselves, so call before visiting.
How can I verify Nathanial Ray Chumley, MD's license?
NPPES lists Michigan license number 4301510123, 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 Nathanial Ray Chumley, MD prescribe under Medicare Part D?
In 2024, Nathanial Ray Chumley, MD had 7,465 Medicare Part D claims for 1,121 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.