Doctor profile · Federal record

Dr. Ronald Zlotolow, M.D.

Internal Medicine Physician (CMS: Family Practice) · Los Angeles, CA

  • NPI 1407981301
  • Accepts Medicare
  • MIPS 6.9 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1818 S Western Ave Ste 505
Los Angeles, CA 900065860
(323) 634-6500
fax (323) 795-0916

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
December 30, 2025
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A75075

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407981301. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,483
Distinct HCPCS
5
Medicare allowed
$93,902
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 476 63 $27
97140 Therapy procedure using manual technique, each 15 minutes 447 80 $24
99214 Established patient office or other outpatient visit, 30-39 minutes 350 91 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 152 78 $98
99203 New patient office or other outpatient visit, 30-44 minutes 58 58 $122

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 9.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$82
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 11 0 $82

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Zlotolow's medical specialty?
Dr. Ronald Zlotolow practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Ronald Zlotolow practice?
Dr. Ronald Zlotolow practices at 1818 S Western Ave Ste 505, Los Angeles, CA 900065860. Office phone: 3236346500.
What is Dr. Ronald Zlotolow's NPI?
Dr. Ronald Zlotolow's National Provider Identifier (NPI) is 1407981301, issued by NPPES.
Does Dr. Ronald Zlotolow accept Medicare assignment?
Yes. Dr. Ronald Zlotolow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Zlotolow commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.