Nancy Keegan
NPI 1144548942 · Family Medicine Physician · East Hampton, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Keegan is a Family Medicine Physician provider in East Hampton, NY (NPI 1144548942).
Provider details
- NPI number
- 1144548942
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 336264 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
510 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 320 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $131 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 30 | $9 |
| Administration of Influenza Virus VaccineG0008 | 20 | $37 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 87 | 40 |
| Lisinopril | 65 | 26 |
| Atorvastatin Calcium | 63 | 28 |
| Rosuvastatin Calcium | 57 | 24 |
| Metoprolol Succinate | 40 | 15 |
| Losartan Potassium | 38 | 15 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 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
- 2010-05-04
- Last updated
- 2010-05-04
Frequently asked questions
- What is Nancy Keegan's NPI number?
- Nancy Keegan's National Provider Identifier (NPI) is 1144548942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Keegan's specialty?
- Nancy Keegan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Keegan located?
- Nancy Keegan's practice location on file with NPPES is 200 Pantigo Pl, East Hampton, NY 11937-5920.
- What is Nancy Keegan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Keegan is (631) 329-8430.
- Does Nancy Keegan accept Medicare?
- Nancy Keegan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Keegan's NPI active?
- Yes — Nancy Keegan's NPI (1144548942) is active in the NPPES registry as of the last update on 2010-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.