Doctor profile · Federal record

Dr. Maryanne Hagar, APRN

Gerontology Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Psychiatric/Mental Health Nurse Practitioner · Shelton, CT

  • NPI 1255384228
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Six Corporate Drive, Suite 420
Shelton, CT 06484
(203) 925-9600
fax (203) 926-0594

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 21, 2017
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Connecticut #002546

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255384228. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
249
Distinct HCPCS
3
Medicare allowed
$19,556
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 162 68 $66
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 59 35 $94
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 28 27 $118

In context: peer comparison

Among 1 peers in this city , average services per provider: 83. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 1 $124.96

By nature of payment

Food and Beverage
$125

Frequently asked questions

Auto-generated from federal data
What is Dr. Maryanne Hagar's medical specialty?
Dr. Maryanne Hagar practices Gerontology Nurse Practitioner in Shelton, CT.
Where does Dr. Maryanne Hagar practice?
Dr. Maryanne Hagar practices at Six Corporate Drive, Shelton, CT 06484. Office phone: 2039259600.
What is Dr. Maryanne Hagar's NPI?
Dr. Maryanne Hagar's National Provider Identifier (NPI) is 1255384228, issued by NPPES.
Does Dr. Maryanne Hagar accept Medicare assignment?
Yes. Dr. Maryanne Hagar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maryanne Hagar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.