Doctor profile · Federal record

Dr. Nancy Keegan

Family Medicine Physician (CMS: Nurse Practitioner) · East Hampton, NY

  • NPI 1144548942
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 Pantigo Pl, Suite I
East Hampton, NY 119375920
(631) 329-8430
fax (631) 329-8291

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New York #336264

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144548942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
5
Medicare allowed
$19,814
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 104 96 $90
G0008 Administration of influenza virus vaccine 53 53 $36
90662 Influenza vaccine split virus, preservative free 50 50 $72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 25 25 $129
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $128

In context: peer comparison

Among 2 peers in this city , average services per provider: 41. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $22.26

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
56
Total drug cost
$1,303
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 19 18 $293
Alprazolam Generic 15 13 $106
Levothyroxine Sodium Generic 14 14 $296
Zolpidem Tartrate Generic 13 0 $153
Atorvastatin Calcium Generic 11 11 $145
Lisinopril Generic 11 0 $120
Metformin Hcl Generic 11 0 $189

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Keegan's medical specialty?
Dr. Nancy Keegan practices Family Medicine Physician in East Hampton, NY.
Where does Dr. Nancy Keegan practice?
Dr. Nancy Keegan practices at 200 Pantigo Pl, East Hampton, NY 119375920. Office phone: 6313298430.
What is Dr. Nancy Keegan's NPI?
Dr. Nancy Keegan's National Provider Identifier (NPI) is 1144548942, issued by NPPES.
Does Dr. Nancy Keegan accept Medicare assignment?
Yes. Dr. Nancy Keegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Keegan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.