Doctor profile · Federal record

Dr. Andrew Thornton, M.D.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Lewiston, ME

  • NPI 1962458091
  • Accepts Medicare
  • MIPS 93.1 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
77 Bates St Ste 5
Lewiston, ME 042407637
(207) 783-1449
fax (207) 777-3865
Mailing address
710 Main St
Lewiston, ME 04240

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 1, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Maine #MD17169
Medicaid
ME #432279699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962458091. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
928
Distinct HCPCS
8
Medicare allowed
$147,554
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 335 236 $102
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 166 45 $338
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 137 58 $76
90935 Hemodialysis procedure with physician evaluation 113 41 $69
90966 Home dialysis services per month (20 years or older) 65 15 $281
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 40 22 $281
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $137
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 31 $125

In context: peer comparison

Among 3 peers in this city , average services per provider: 69. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
703
Patients
210
Total drug cost
$77,610
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 118 47 $899
Calcitriol Generic 92 25 $2,212
Losartan Potassium Generic 71 26 $877
Hydralazine Hcl Generic 70 29 $2,925
Doxazosin Mesylate Generic 53 14 $1,469
Lisinopril Generic 49 21 $301
Farxiga (Dapagliflozin Propanediol) Brand 41 0 $32,226
Sevelamer Carbonate Generic 39 19 $11,489
Furosemide Generic 38 18 $392
Carvedilol Generic 34 11 $431

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Thornton's medical specialty?
Dr. Andrew Thornton practices Nephrology Physician in Lewiston, ME.
Where does Dr. Andrew Thornton practice?
Dr. Andrew Thornton practices at 77 Bates St Ste 5, Lewiston, ME 042407637. Office phone: 2077831449.
What is Dr. Andrew Thornton's NPI?
Dr. Andrew Thornton's National Provider Identifier (NPI) is 1962458091, issued by NPPES.
Does Dr. Andrew Thornton accept Medicare assignment?
Yes. Dr. Andrew Thornton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Thornton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.