Steven Ohsie, M.D.
NPI 1871768820 · Anatomic Pathology & Clinical Pathology Physician · Rancho Dominguez, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Ohsie, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Rancho Dominguez, CA (NPI 1871768820).
Provider details
- NPI number
- 1871768820
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A90336 (CA)
Specialties & taxonomies
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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
7,201 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 6,252 | $45 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 268 | $103 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 245 | $114 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 169 | $32 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 146 | $103 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 106 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-29
- Last updated
- 2021-06-14
- Certified
- 2021-06-14
Frequently asked questions
- What is Steven Ohsie's NPI number?
- Steven Ohsie's National Provider Identifier (NPI) is 1871768820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Ohsie's specialty?
- Steven Ohsie is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Ohsie located?
- Steven Ohsie's practice location on file with NPPES is 2374 E Pacifica Pl, Rancho Dominguez, CA 90220-6214.
- What is Steven Ohsie's phone number?
- The practice phone number listed in the NPPES registry for Steven Ohsie is (310) 225-3244.
- Does Steven Ohsie accept Medicare?
- Steven Ohsie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Ohsie's NPI active?
- Yes — Steven Ohsie's NPI (1871768820) is active in the NPPES registry as of the last update on 2021-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.