Doctor profile · Federal record

Dr. Jenner Greil, ARNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Portland, ME

  • NPI 1871748772
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
331 Veranda St
Portland, ME 041035545
(207) 828-2402
fax (207) 828-2425
Mailing address
Po Box 9746
Portland, ME 041045040

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
September 29, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maine #CNP101013
Medicaid
ME #434645102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871748772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
279
Distinct HCPCS
7
Medicare allowed
$11,232
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 37 $74
36415 Insertion of needle into vein for collection of blood sample 46 33 $6
80053 Blood test, comprehensive group of blood chemicals 42 35 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 30 30 $50
80061 Blood test, lipids (cholesterol and triglycerides) 25 24 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 25 16 $57
84443 Blood test, thyroid stimulating hormone (tsh) 17 13 $16

In context: peer comparison

Among 29 peers in this city , average services per provider: 59. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,239
Patients
347
Total drug cost
$28,423
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 163 44 $4,266
Levothyroxine Sodium Generic 149 38 $3,033
Lisinopril Generic 114 31 $718
Omeprazole Generic 102 30 $1,699
Gabapentin Generic 83 26 $4,309
Losartan Potassium Generic 78 19 $1,437
Rosuvastatin Calcium Generic 74 23 $5,857
Amlodipine Besylate Generic 68 17 $583
Famotidine Generic 68 25 $1,524
Simvastatin Generic 68 19 $562

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jenner Greil's medical specialty?
Dr. Jenner Greil practices Family Nurse Practitioner in Portland, ME.
Where does Dr. Jenner Greil practice?
Dr. Jenner Greil practices at 331 Veranda St, Portland, ME 041035545. Office phone: 2078282402.
What is Dr. Jenner Greil's NPI?
Dr. Jenner Greil's National Provider Identifier (NPI) is 1871748772, issued by NPPES.
Does Dr. Jenner Greil accept Medicare assignment?
Yes. Dr. Jenner Greil accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jenner Greil commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.