Graydon H. Coon, DDS
Dentist · Portage, MI
Graydon H. Coon, DDS is a dentist with a practice address in Portage, Michigan, and NPI 1417174822, issued on Apr 19, 2007. Check the license (Michigan 018493, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Graydon H. Coon
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 018493 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1250 E Milham Ave, Portage, MI 49002
- Phone
- (269) 327-6100
- Enumerated
- Apr 19, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (269) 327-0460
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,439 in Michigan → Look up another NPI →
Verify Graydon H. Coon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 018493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average dentist in 2024
56 Medicare Part D claims for 42 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin24 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.
Graydon H. Coon among 3,439 dentist records in Michigan
Graydon H. Coon, DDS is one of 3,439 dentist records with a practice address in Michigan. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 24% of them.
- NPI issued2007 · 24% of these records are older, 57% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 dentist records list a practice address in Portage
They are 30 of the 1,492 NPPES records with a practice address in Portage, and 3,439 dentist records in Michigan.
All 3,439 in Michigan → Every provider in Portage → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Steve Boden, DDSPortage, MI 490021831144591
- Scott Brady, D.D.S.Portage, MI 490021548472400
- Lourdes Brizard, DMDPortage, MI 490021760124754
- Aoua Coulibaly, DDSPortage, MI 490021700042165
- Allison Crutchfield, D.M.D.Portage, MI 490021881926921
- Ahmed Eldib, B.D.S, DDSPortage, MI 490021699117762
- Jared Hector, D.D.S.Portage, MI 490021730538398
- Ashley Muehleise, DDSPortage, MI 490021053981639
Common questions
What is Graydon H. Coon, DDS's NPI number?
Graydon H. Coon, DDS's National Provider Identifier (NPI) is 1417174822, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Graydon H. Coon, DDS located?
The NPPES record lists a practice address at 1250 E Milham Ave, Portage, MI, 49002. Phone: (269) 327-6100. Providers update this record themselves, so call before visiting.
How can I verify Graydon H. Coon, DDS's license?
NPPES lists Michigan license number 018493, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Graydon H. Coon, DDS prescribe under Medicare Part D?
In 2024, Graydon H. Coon, DDS had 56 Medicare Part D claims for 42 beneficiaries; the average among dentist prescribers was 86. 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.