Doctor profile · Federal record

Dr. Gretchen Schumacher, CRNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Gerontology Nurse Practitioner · North Haven, ME

  • NPI 1235152935
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
135 Main St
North Haven, ME 04853
(207) 867-2021
fax (207) 867-2256
Mailing address
Po Box 400
North Haven, ME 048530400

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 16, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Maine #CNP241037 · Michigan #4704265270
Medicaid (2)
ME #1235152935 · MI #1235152935

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235152935. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
632
Distinct HCPCS
6
Medicare allowed
$63,309
HCPCS Description Services Patients Avg allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 324 69 $152
G0318 Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif 219 58 $25
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 27 14 $105
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 22 22 $75
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 20 20 $165
G0008 Administration of influenza virus vaccine 20 20 $29

In context: peer comparison

Among 1 peers in this city , average services per provider: 105. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $17.51
GlaxoSmithKline, LLC. 1 $13.58

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,073
Patients
608
Total drug cost
$47,873
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 411 88 $6,119
Furosemide Generic 265 51 $1,688
Omeprazole Generic 256 56 $3,069
Levothyroxine Sodium Generic 252 49 $3,746
Gabapentin Generic 220 48 $4,669
Lisinopril Generic 212 47 $1,815
Trazodone Hcl Generic 205 34 $2,016
Amlodipine Besylate Generic 201 43 $1,736
Metoprolol Succinate Generic 170 36 $3,367
Potassium Chloride Generic 162 31 $5,999

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Schumacher's medical specialty?
Dr. Gretchen Schumacher practices Family Nurse Practitioner in North Haven, ME.
Where does Dr. Gretchen Schumacher practice?
Dr. Gretchen Schumacher practices at 135 Main St, North Haven, ME 04853. Office phone: 2078672021.
What is Dr. Gretchen Schumacher's NPI?
Dr. Gretchen Schumacher's National Provider Identifier (NPI) is 1235152935, issued by NPPES.
Does Dr. Gretchen Schumacher accept Medicare assignment?
Yes. Dr. Gretchen Schumacher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Schumacher commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif (HCPCS G0318); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.