Doctor profile · Federal record

Dr. Katelyn Stepanyan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Family Medicine) Physician · Hospice and Palliative Medicine (Internal Medicine) Physician · Santa Monica, CA

  • NPI 1316332349
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1250 16Th St # C2304
Santa Monica, CA 90404
(310) 319-4698
fax (310) 319-4908
Additional location
23388 Mulholland Dr
Woodland Hills, CA 913642733
(818) 876-4055
fax (818) 876-4094
Additional location
757 Westwood Plz Ste 7501
Los Angeles, CA 900958358
(310) 825-8307
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
November 15, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A144960

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316332349. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
449
Distinct HCPCS
8
Medicare allowed
$56,195
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 149 59 $127
99215 Established patient office or other outpatient visit, 40-54 minutes 88 27 $149
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 42 $85
99497 Advance care planning, first 30 minutes 53 44 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $186
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $139
99498 Advance care planning, each additional 30 minutes 23 20 $77
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $194

In context: peer comparison

Among 58 peers in this city , average services per provider: 97. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$128
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 11 0 $128

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katelyn Stepanyan's medical specialty?
Dr. Katelyn Stepanyan practices Internal Medicine Physician in Santa Monica, CA.
Where does Dr. Katelyn Stepanyan practice?
Dr. Katelyn Stepanyan practices at 1250 16Th St # C2304, Santa Monica, CA 90404. Office phone: 3103194698.
What is Dr. Katelyn Stepanyan's NPI?
Dr. Katelyn Stepanyan's National Provider Identifier (NPI) is 1316332349, issued by NPPES.
Does Dr. Katelyn Stepanyan accept Medicare assignment?
Yes. Dr. Katelyn Stepanyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katelyn Stepanyan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.