Erwinn Martin Sistoza, M.D.
NPI 1285858530 · Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erwinn Martin Sistoza, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1285858530).
Provider details
- NPI number
- 1285858530
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A76101 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
608 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 174 | $103 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 148 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $71 |
| Advance Care Planning, First 30 Minutes99497 | 58 | $38 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 57 | $60 |
| Administration of Influenza Virus VaccineG0008 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 338 | 112 |
| Amlodipine Besylate | 273 | 82 |
| Levothyroxine Sodium | 192 | 51 |
| Lisinopril | 146 | 48 |
| Metformin Hcl | 112 | 35 |
| Losartan Potassium | 110 | 35 |
| Simvastatin | 93 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-11
- Last updated
- 2008-02-22
Frequently asked questions
- What is Erwinn Martin Sistoza's NPI number?
- Erwinn Martin Sistoza's National Provider Identifier (NPI) is 1285858530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erwinn Martin Sistoza's specialty?
- Erwinn Martin Sistoza is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Erwinn Martin Sistoza located?
- Erwinn Martin Sistoza's practice location on file with NPPES is 1711 W Temple St, Los Angeles, CA 90026-5421.
- What is Erwinn Martin Sistoza's phone number?
- The practice phone number listed in the NPPES registry for Erwinn Martin Sistoza is (213) 989-6100.
- Does Erwinn Martin Sistoza accept Medicare?
- Erwinn Martin Sistoza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erwinn Martin Sistoza's NPI active?
- Yes — Erwinn Martin Sistoza's NPI (1285858530) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.