Doctor profile · Federal record

Dr. Martha Carstensen

Social Worker (CMS: Clinical Social Worker) · Billings, MT

  • NPI 1275149122
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1245 N 29Th St
Billings, MT 591010122
(406) 839-2437
fax (406) 238-3617
Mailing address
Po Box 219
Billings, MT 591030219

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
104100000X — NUCC code
State license (1)
Montana #25587

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275149122. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
1
Medicare allowed
$3,875
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 40 12 $97

In context: peer comparison

Among 1 peers in this city , average services per provider: 40. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Martha Carstensen's medical specialty?
Dr. Martha Carstensen practices Social Worker in Billings, MT.
Where does Dr. Martha Carstensen practice?
Dr. Martha Carstensen practices at 1245 N 29Th St, Billings, MT 591010122. Office phone: 4068392437.
What is Dr. Martha Carstensen's NPI?
Dr. Martha Carstensen's National Provider Identifier (NPI) is 1275149122, issued by NPPES.
Does Dr. Martha Carstensen accept Medicare assignment?
Yes. Dr. Martha Carstensen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martha Carstensen commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.