Marcy J. Gregg, ARNP
Family Nurse Practitioner · Mount Ayr, IA
Marcy J. Gregg, ARNP is a family nurse practitioner with a practice address in Mount Ayr, Iowa, and NPI 1861542490, issued on Jan 12, 2007. Check the license (Iowa A073758, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcy J. Gregg
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A073758 IA
Self-reported in NPPES; status is on the state search - Practice location
- 504 N. Cleveland St., Mount Ayr, IA 50854
- Phone
- (641) 464-3226
- Enumerated
- Jan 12, 2007
- Record last updated
- Nov 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (641) 464-4420
- Medicaid IDs
- 0219451 IA
500013821 IA
42510703 MO - Entity
- Type 1 · individual
Also registered at 504 N. Cleveland St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana Johnson, D.O.Surgery Physician1245380864
- Bruce Ricker, D.O.Family Medicine Physician1851441760
- Ron SchaferMedical Physician Assistant1497806038
Verify Marcy J. Gregg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A073758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,264 Medicare Part D claims for 387 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 356 claims were for opioids.
Most prescribed
- Levothyroxine Sodium253 claims
- Tramadol Hcl205 claims
- Atorvastatin Calcium177 claims
- Amlodipine Besylate165 claims
- Lisinopril123 claims
- Metformin Hcl119 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: $13.22
1 payment: food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 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.
4 family nurse practitioner records list a practice address in Mount Ayr
They are 4 of the 27 NPPES records with a practice address in Mount Ayr, and 1,971 family nurse practitioner records in Iowa.
All 4 in Mount Ayr → All 1,971 in Iowa → Every provider in Mount Ayr →
Other family nurse practitioner records in Iowa
- Lynne AbbottCedar Rapids, IA1699357277
- Amina AbdullahCedar Rapids, IA1598420747
- Brandon Abel, DNPIowa City, IA1043160674
- Andrea AchenbachIowa City, IA1881975910
- Rachel Ackerman, NPSheldon, IA1275124372
- Tonia Ackerman, ARNPPleasant Hill, IA1932142692
- Rachel Adams, NPDes Moines, IA1013662485
- Abdullahi Ahmed, AGPCNPDes Moines, IA1336924836
- Caitlyn Al-Ostaz, DNP FNP-CIowa City, IA1457188740
- Alaa Al-Talla, ARNPWaverly, IA1396592291
Common questions
What is Marcy J. Gregg, ARNP's NPI number?
Marcy J. Gregg, ARNP's National Provider Identifier (NPI) is 1861542490, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marcy J. Gregg, ARNP located?
The NPPES record lists a practice address at 504 N. Cleveland St., Mount Ayr, IA, 50854. Phone: (641) 464-3226. Providers update this record themselves, so call before visiting.
How can I verify Marcy J. Gregg, ARNP's license?
NPPES lists Iowa license number A073758, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Marcy J. Gregg, ARNP prescribe under Medicare Part D?
In 2024, Marcy J. Gregg, ARNP had 4,264 Medicare Part D claims for 387 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.