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RONALD D. ZLOTOLOW M.D.
NPI 1407981301
Internal Medicine in Los Angeles, CA

Active since February 22, 2007PECOS EnrolledAccepts Medicare Assignment
6.91/100
CMS Quality Rating
1818 S WESTERN AVE STE 505, LOS ANGELES, CA 90006(323) 634-6500(323) 795-0916 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald D. Zlotolow M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD D. ZLOTOLOW M.D. (NPI 1407981301) is an individual internal medicine provider in Los Angeles, California, licensed in California (A75075) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1407981301
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRONALD D. ZLOTOLOWCredential: M.D.
Location Address1818 S WESTERN AVE STE 505Los Angeles, CA 90006-5860
Mailing Address1818 S Western Ave Ste 505Los Angeles, CA 90006-5860 · (323) 634-6500 · Fax (323) 634-6501
Phone(323) 634-6500
Fax(323) 795-0916
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateFebruary 22, 2007
Last NPPES UpdateDecember 30, 2025
NPPES CertifiedDecember 30, 2025
✔ NPI 1407981301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A75075
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1818 S WESTERN AVE STE 505, Los Angeles, CA 90006
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronald D. Zlotolow M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375854656
PECOS Enrollment IDI20150623001225
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
2,141 services81 patients
Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
900 services68 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
344 services75 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
203 services71 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
78 services13 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

6.91/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost23.04

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Zlotolow's NPI number?

The NPI number for Ronald Zlotolow is 1407981301. It was assigned to this individual provider in the NPPES registry on February 22, 2007.

Where is Ronald Zlotolow located?

Ronald Zlotolow practices at 1818 S Western Ave Ste 505, Los Angeles, CA 90006. The listed phone number is (323) 634-6500.

What is Ronald Zlotolow's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ronald Zlotolow enrolled in Medicare?

Yes. Ronald Zlotolow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ronald Zlotolow was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.