Doctor profile · Federal record

Dr. Alan Kilby, MD

Gastroenterology Physician · Portland, ME

  • NPI 1558456442
  • MIPS 93.1 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
161 Marginal Way
Portland, ME 041012438
(207) 773-7964
fax (207) 773-9073

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 8, 2022
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Maine #012088
Medicaid
ME #294890099

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558456442. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
1
Medicare allowed
$1,607
HCPCS Description Services Patients Avg allowed
91200 Measurement of liver stiffness 53 52 $30

In context: peer comparison

Among 14 peers in Portland Gastroenterology Physician, average services per provider: 56. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
0
Total drug cost
$22,527
Drug Type Claims Patients Total cost
Vemlidy (Tenofovir Alafenamide) Brand 15 0 $22,527

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Kilby's medical specialty?
Dr. Alan Kilby practices Gastroenterology Physician in Portland, ME.
Where does Dr. Alan Kilby practice?
Dr. Alan Kilby practices at 161 Marginal Way, Portland, ME 041012438. Office phone: 2077737964.
What is Dr. Alan Kilby's NPI?
Dr. Alan Kilby's National Provider Identifier (NPI) is 1558456442, issued by NPPES.
What procedures does Dr. Alan Kilby commonly perform?
Top Medicare-reported procedures in 2023: Measurement of liver stiffness (HCPCS 91200). Source: CMS Medicare Physician & Other Practitioners file.