Greg D. Cohen, D.O.
Family Medicine Physician · Chariton, IA
Greg D. Cohen, D.O. is a family medicine physician with a practice address in Chariton, Iowa, and NPI 1235119736, issued on Jan 19, 2006. Check the license (Iowa 02839, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Greg D. Cohen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 02839 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N 7TH St, Chariton, IA 50049
- Phone
- (641) 774-8103
- Enumerated
- Jan 19, 2006
- Record last updated
- Feb 8, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (641) 774-8087
- Medicaid IDs
- 3109223 IA
1235119736 IA - Medicare enrollment
- Enrolled (PECOS I20100521000460); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 1200 N 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Anderson, D.O.Family Medicine Physician1275513756
- William Baer, R.PH. CGPGeriatric Pharmacist1952447112
- Christine ButtellPhysician Assistant1508499617
- Megan Decker, FNP-BCFamily Nurse Practitioner1326450172
- Michelle Fischer-Short, ARNP, FNP-BCFamily Nurse Practitioner1477115319
- Miranda Gebhart, NP-CFamily Nurse Practitioner1205498342
Verify Greg D. Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 02839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average family medicine physician in 2024
7,000 Medicare Part D claims for 307 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 255 claims were for opioids.
Most prescribed
- Atorvastatin Calcium342 claims
- Lisinopril268 claims
- Metformin Hcl237 claims
- Gabapentin227 claims
- Omeprazole225 claims
- Levothyroxine Sodium184 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $65.75
3 payments; by number, the most common kind was 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.
One hospital affiliation
- Lucas County Health CenterChariton, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Greg D. Cohen among 2,336 family medicine physician records in Iowa
Greg D. Cohen, D.O. is one of 2,336 family medicine physician records with a practice address in Iowa. 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2006 among the 1,367 with a school on file
- Record last updated2012 · 61% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Chariton
They are 5 of the 52 NPPES records with a practice address in Chariton, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Chariton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Anderson, D.O.Chariton, IA 500491275513756
- Peter Hoftiezer, D.O.Chariton, IA 500491497062558
- David Marcowitz, D.O.Chariton, IA 500491174522320
- Philip Sundquist, M.D.Chariton, IA 500491053520403
- Catherine Del Rosario, MDCarlisle, IA 500471538681309
- Joellen Heims, DOCarlisle, IA 500471609883149
- Marvin Huff, DOCarlisle, IA 500471114987120
- Michael McCormick, DOCarlisle, IA 500471407841653
Common questions
What is Greg D. Cohen, D.O.'s NPI number?
Greg D. Cohen, D.O.'s National Provider Identifier (NPI) is 1235119736, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greg D. Cohen, D.O. located?
The NPPES record lists a practice address at 1200 N 7TH St, Chariton, IA, 50049. Phone: (641) 774-8103. Providers update this record themselves, so call before visiting.
How can I verify Greg D. Cohen, D.O.'s license?
NPPES lists Iowa license number 02839, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Greg D. Cohen, D.O. prescribe under Medicare Part D?
In 2024, Greg D. Cohen, D.O. had 7,000 Medicare Part D claims for 307 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Greg D. Cohen, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.