Ronald Zlotolow, M.D.
NPI 1407981301 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Zlotolow, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1407981301).
Provider details
- NPI number
- 1407981301
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A75075 (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
3,695 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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 2,141 | $26 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 900 | $23 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 344 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 203 | $98 |
| Therapy Procedure Using Functional Activities97530 | 78 | $38 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Ronald Zlotolow's NPI number?
- Ronald Zlotolow's National Provider Identifier (NPI) is 1407981301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Zlotolow's specialty?
- Ronald Zlotolow is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Zlotolow located?
- Ronald Zlotolow's practice location on file with NPPES is 1818 S Western Ave Ste 505, Los Angeles, CA 90006-5860.
- What is Ronald Zlotolow's phone number?
- The practice phone number listed in the NPPES registry for Ronald Zlotolow is (323) 634-6500.
- Does Ronald Zlotolow accept Medicare?
- Ronald Zlotolow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Zlotolow's NPI active?
- Yes — Ronald Zlotolow's NPI (1407981301) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.