Katelyn Stepanyan, M.D.
NPI 1316332349 · Internal Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katelyn Stepanyan, M.D. is a Internal Medicine Physician provider in Santa Monica, CA (NPI 1316332349).
Provider details
- NPI number
- 1316332349
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A144960 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
394 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 154 | $123 |
| Advance Care Planning, First 30 Minutes99497 | 58 | $78 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $150 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 39 | $179 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 36 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Methadone Hcl | 12 |
| Oxycodone Hcl | 12 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (3)
- 757 Westwood Plz Ste 7501Los Angeles, CA 90095-8358Phone: (310) 267-9643Fax: (310) 267-3840
- 757 Westwood Plz Ste 7501Los Angeles, CA 90095-8358Phone: (310) 825-8307
- 23388 Mulholland DrWoodland Hills, CA 91364-2733Phone: (818) 876-4055Fax: (818) 876-4094
Registry dates
- Enumerated
- 2015-04-06
- Last updated
- 2019-11-15
Frequently asked questions
- What is Katelyn Stepanyan's NPI number?
- Katelyn Stepanyan's National Provider Identifier (NPI) is 1316332349, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katelyn Stepanyan's specialty?
- Katelyn Stepanyan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katelyn Stepanyan located?
- Katelyn Stepanyan's practice location on file with NPPES is 1250 16th St # C2304, Santa Monica, CA 90404.
- What is Katelyn Stepanyan's phone number?
- The practice phone number listed in the NPPES registry for Katelyn Stepanyan is (310) 319-4698.
- Does Katelyn Stepanyan accept Medicare?
- Katelyn Stepanyan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katelyn Stepanyan's NPI active?
- Yes — Katelyn Stepanyan's NPI (1316332349) is active in the NPPES registry as of the last update on 2019-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.