Marcy Gregg, ARNP
NPI 1861542490 · Family Nurse Practitioner · Mount Ayr, IA
Marcy Gregg, ARNP is a Family Nurse Practitioner provider in Mount Ayr, IA (NPI 1861542490).
Provider details
- NPI number
- 1861542490
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- A073758 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 253 | 69 |
| Tramadol Hcl | 205 | 48 |
| Atorvastatin Calcium | 177 | 54 |
| Amlodipine Besylate | 165 | 48 |
| Lisinopril | 123 | 34 |
| Metformin Hcl | 119 | 35 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$13 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2009-11-23
Frequently asked questions
- What is Marcy Gregg's NPI number?
- Marcy Gregg's National Provider Identifier (NPI) is 1861542490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcy Gregg's specialty?
- Marcy Gregg is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marcy Gregg located?
- Marcy Gregg's practice location on file with NPPES is 504 N. Cleveland St., Mount Ayr, IA 50854-2201.
- What is Marcy Gregg's phone number?
- The practice phone number listed in the NPPES registry for Marcy Gregg is (641) 464-3226.
- Is Marcy Gregg's NPI active?
- Yes — Marcy Gregg's NPI (1861542490) is active in the NPPES registry as of the last update on 2009-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.