DR. STEPHEN C. LAZARUS MD
NPI 1659324531
Internal Medicine in San Francisco, CA

Active since May 19, 2006PECOS Enrolled
74.46/100
CMS Quality Rating
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2961(415) 353-2568 Get Directions Write a Review

NPPES record last updated: June 12, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Stephen C. Lazarus Md NPPES

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

DR. STEPHEN C. LAZARUS MD (NPI 1659324531) is an individual internal medicine provider in San Francisco, California, licensed in California (A25354) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659324531
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. STEPHEN C. LAZARUSCredential: MD
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001
Fax(415) 353-2568
Sole ProprietorNo
Enumeration DateMay 19, 2006
Last NPPES UpdateJune 12, 2008
NPI 1659324531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A25354
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.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A25354 (CA)
400 PARNASSUS AVE, San Francisco, CA 94143

Other Identifiers 3

Medicaid00A253540CA
Medicare PIN00A253540CA
Medicare UPINA24398CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Stephen C. Lazarus Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

Established patient office or other outpatient visit, 30-39 minutes 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.
39 services35 patients
Established patient office or other outpatient visit, 40-54 minutes 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
39 services24 patients
Established patient office or other outpatient visit, 20-29 minutes 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.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers22 claims22 services$13.59 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
3 suppliers34 claims34 services$2.81 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers55 claims55 services$61.60 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$31.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Medical Oncology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Stephen Lazarus's NPI number?

The NPI number for Stephen Lazarus is 1659324531. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Stephen Lazarus located?

Stephen Lazarus practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2961.

What is Stephen Lazarus's specialty?

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

Is Stephen Lazarus enrolled in Medicare?

Yes. Stephen Lazarus is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephen Lazarus was last updated on June 12, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.