Doctor profile · Federal record

Dr. Andrew Sebastyan, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Nashua, NH

  • NPI 1992790745
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
173 Daniel Webster Hwy
Nashua, NH 030605256
(603) 891-4804
Mailing address
Po Box 808
Nashua, NH 030610808

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 21, 2015
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
South Carolina #180047 · North Carolina #2005-00315

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992790745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,122
Distinct HCPCS
4
Medicare allowed
$68,790
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 467 233 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 423 263 $64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 205 205 $24
99215 Established patient office or other outpatient visit, 40-54 minutes 27 25 $80

In context: peer comparison

Among 15 peers in this city , average services per provider: 73. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,059
Patients
826
Total drug cost
$172,707
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 492 143 $12,291
Atorvastatin Calcium Generic 382 105 $5,061
Amlodipine Besylate Generic 284 80 $2,518
Levothyroxine Sodium Generic 224 53 $3,356
Lisinopril Generic 210 58 $1,442
Pantoprazole Sodium Generic 209 57 $3,797
Omeprazole Generic 178 50 $3,222
Gabapentin Generic 165 40 $3,273
Duloxetine Hcl Generic 158 31 $6,205
Metoprolol Succinate Generic 140 42 $3,332

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Sebastyan's medical specialty?
Dr. Andrew Sebastyan practices Family Medicine Physician in Nashua, NH.
Where does Dr. Andrew Sebastyan practice?
Dr. Andrew Sebastyan practices at 173 Daniel Webster Hwy, Nashua, NH 030605256. Office phone: 6038914804.
What is Dr. Andrew Sebastyan's NPI?
Dr. Andrew Sebastyan's National Provider Identifier (NPI) is 1992790745, issued by NPPES.
Does Dr. Andrew Sebastyan accept Medicare assignment?
Yes. Dr. Andrew Sebastyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Sebastyan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.