Doctor profile · Federal record

Dr. Gillian Sowden, MD

Psychiatry Physician (CMS: Psychiatry) · Lebanon, NH

  • NPI 1720387202
  • Accepts Medicare
  • MIPS 69.4 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Medical Center Dr, Dhmc, Department of Psychiatry
Lebanon, NH 037561000
(603) 650-5000

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
July 1, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
New Hampshire #17807

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720387202. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
4
Medicare allowed
$23,211
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 177 75 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 18 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 20 15 $50
90792 Psychiatric diagnostic evaluation with medical services 13 13 $172

In context: peer comparison

Among 11 peers in Lebanon Psychiatry Physician, average services per provider: 70. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gillian Sowden's medical specialty?
Dr. Gillian Sowden practices Psychiatry Physician in Lebanon, NH.
Where does Dr. Gillian Sowden practice?
Dr. Gillian Sowden practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036505000.
What is Dr. Gillian Sowden's NPI?
Dr. Gillian Sowden's National Provider Identifier (NPI) is 1720387202, issued by NPPES.
Does Dr. Gillian Sowden accept Medicare assignment?
Yes. Dr. Gillian Sowden accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gillian Sowden commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.