DR. JOHN DAVID SZUMOWSKI M.D., M.P.H.
NPI 1750558615
Internal Medicine - Infectious Disease in San Francisco, CA

Q: What is John Szumowski's NPI number?

The NPI number for John Szumowski is 1750558615. It was assigned to this individual provider in the NPPES registry on May 9, 2008.

Q: What is John Szumowski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for John Szumowski was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since May 09, 2008PECOS EnrolledAccepts Medicare Assignment

91.85/100

CMS Quality Rating

4150 CLEMENT ST, SAN FRANCISCO, CA 94121(415) 221-4810(415) 750-6951 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Aug 12, 2025, Apr 22, 2020 (2 updates tracked since 2020).

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About Dr. John David Szumowski M.d., M.p.h. NPPES

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

DR. JOHN DAVID SZUMOWSKI M.D., M.P.H. (NPI 1750558615) is an individual infectious disease provider in San Francisco, California, licensed in California (128301) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2007).

NPPES Registry Identity

NPI1750558615

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. JOHN DAVID SZUMOWSKICredential: M.D., M.P.H.

Location Address4150 CLEMENT STSan Francisco, CA 94121-1563

Mailing Address4150 Clement StSan Francisco, CA 94121-1563 · (415) 221-4810 · Fax (415) 750-6951

Phone(415) 221-4810

Fax(415) 750-6951

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 2007

Enumeration DateMay 9, 2008

Last NPPES UpdateAugust 12, 20252 updates tracked since enumeration

NPPES CertifiedAugust 12, 2025

✔ NPI 1750558615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in CA · 128301

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License 128301 (CA)

4150 CLEMENT ST, San Francisco, CA 94121

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Other Identifiers 1

Medicaid1750558615WA

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

Dr. John David Szumowski M.d., M.p.h. 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 ID8729245311

PECOS Enrollment IDI20150119000617

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94121 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.

91.85/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

83.53

Promoting Interoperability

100

Improvement Activities

Cost

68.01

Referred Medical Equipment & Supplies CMS DME claims 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

8 suppliers31 claims61 services$5.34 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers21 claims21 services$0.89 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier11 claims11 services$41.19 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.

MR. SHANNON KISSINGER MSW

Social Worker