Doctor profile · Federal record

Dr. James Sullivan, D.O.

Neuromusculoskeletal Medicine & Omm Physician (CMS: Undefined Physician Type (Specify)) · Family Medicine Physician · Merrimack, NH

  • NPI 1023422748
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
696 Daniel Webster Hwy
Merrimack, NH 030542748
(603) 429-3155
fax (603) 672-7150
Mailing address
292 Route 101
Amherst, NH 030311730

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
November 12, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
204D00000X — NUCC code
State license (1)
New Hampshire #18598

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023422748. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
677
Distinct HCPCS
10
Medicare allowed
$57,043
HCPCS Description Services Patients Avg allowed
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 218 31 $30
99215 Established patient office or other outpatient visit, 40-54 minutes 135 40 $179
98926 Osteopathic manipulative treatment, 3-4 body regions 69 36 $45
98928 Osteopathic manipulative treatment, 7-8 body regions 66 39 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 65 34 $128
98927 Osteopathic manipulative treatment, 5-6 body regions 62 33 $58
98925 Osteopathic manipulative treatment, 1-2 body regions 19 14 $31
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $220
98929 Osteopathic manipulative treatment, 9-10 body regions 14 13 $84
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $91

In context: peer comparison

Among 2 peers in Merrimack Neuromusculoskeletal Medicine & Omm Physician, average services per provider: 66. This provider delivers 10× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Sullivan's medical specialty?
Dr. James Sullivan practices Neuromusculoskeletal Medicine & Omm Physician in Merrimack, NH.
Where does Dr. James Sullivan practice?
Dr. James Sullivan practices at 696 Daniel Webster Hwy, Merrimack, NH 030542748. Office phone: 6034293155.
What is Dr. James Sullivan's NPI?
Dr. James Sullivan's National Provider Identifier (NPI) is 1023422748, issued by NPPES.
Does Dr. James Sullivan accept Medicare assignment?
Yes. Dr. James Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112); Established patient office or other outpatient visit (HCPCS 99215); Osteopathic manipulative treatment, 3-4 body regions (HCPCS 98926). Source: CMS Medicare Physician & Other Practitioners file.