Doctor profile · Federal record

Dr. Thomas Hattan, MD

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

  • NPI 1598708315
  • Accepts Medicare
  • MIPS 79.0 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
76 High St
Lewiston, ME 042407649
(207) 795-2800
fax (207) 795-2802

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 21, 2010
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Maine #017438

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598708315. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,067
Distinct HCPCS
10
Medicare allowed
$120,151
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 356 140 $102
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 184 84 $122
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 132 84 $102
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 91 81 $128
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 57 47 $147
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 47 41 $39
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 32 29 $147
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 27 27 $128
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 27 24 $178
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 26 25 $175

In context: peer comparison

Among 1 peers in this city , average services per provider: 76. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12,438
Patients
1,485
Total drug cost
$132,017
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 1,612 176 $15,213
Atorvastatin Calcium Generic 1,300 151 $17,225
Levothyroxine Sodium Generic 1,059 114 $10,540
Furosemide Generic 1,019 122 $5,783
Amlodipine Besylate Generic 972 107 $7,667
Trazodone Hcl Generic 890 142 $8,674
Omeprazole Generic 845 111 $9,046
Gabapentin Generic 708 85 $10,830
Metoprolol Succinate Generic 650 73 $9,572
Lisinopril Generic 610 72 $4,411

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Hattan's medical specialty?
Dr. Thomas Hattan practices Geriatric Medicine (Internal Medicine) Physician in Lewiston, ME.
Where does Dr. Thomas Hattan practice?
Dr. Thomas Hattan practices at 76 High St, Lewiston, ME 042407649. Office phone: 2077952800.
What is Dr. Thomas Hattan's NPI?
Dr. Thomas Hattan's National Provider Identifier (NPI) is 1598708315, issued by NPPES.
Does Dr. Thomas Hattan accept Medicare assignment?
Yes. Dr. Thomas Hattan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Hattan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.