STEVEN KATZNELSON M.D.
NPI 1225059520
Internal Medicine in San Francisco, CA

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
2340 CLAY ST, 4TH FLOOR, SAN FRANCISCO, CA 94115(415) 923-6501 Get Directions Write a Review

NPPES record last updated: June 8, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Steven Katznelson M.d. NPPES

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

STEVEN KATZNELSON M.D. (NPI 1225059520) is an individual internal medicine provider in San Francisco, California, licensed in California (G66893) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1988).

NPPES Registry Identity

NPI1225059520
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEVEN KATZNELSONCredential: M.D.
Location Address2340 CLAY ST, 4TH FLOORSan Francisco, CA 94115-1932
Mailing AddressPo Box 254947Sacramento, CA 95865-4947
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1988
Enumeration DateJuly 21, 2006
Last NPPES UpdateJune 8, 2012
NPI 1225059520 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 · G66893
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.

2340 CLAY ST, San Francisco, CA 94115

Other Identifiers 2

Medicare PINDD554ZCA
Medicare UPINF11602CA

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

Steven Katznelson 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 ID1355470717
PECOS Enrollment IDI20100622000882
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
266 services86 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 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.
91 services80 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.
77 services75 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.
45 services44 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
42 services40 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 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.
34 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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.

Referred Medical Equipment & Supplies CMS DME claims 14

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
6 suppliers13 claims30 services$6.55 avg. paid by Medicare
Azathioprine, oral, 50 mg J7500
Treatment-Treatment - Miscellaneous · category RX029N
7 suppliers60 claims2,970 services$1.44 avg. paid by Medicare
Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
2 suppliers47 claims26,340 services$1.20 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
40 suppliers1,118 claims128,499 services$0.31 avg. paid by Medicare
Tacrolimus, extended release, (astagraf xl), oral, 0.1 mg J7508
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers40 claims57,600 services$0.40 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
24 suppliers937 claims137,898 services$0.01 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.

Pediatrics
2340 CLAY ST, 3RD FLOOR
SAN FRANCISCO, CA 94115
Hospitalist
2340 CLAY ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR
SAN FRANCISCO, CA 94115
Nurse Practitioner (Family)
2340 CLAY ST, SUITE 537
SAN FRANCISCO, CA 94115
Clinical Neuropsychologist
2340 CLAY ST, 7TH FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2340 CLAY ST
SAN FRANCISCO, CA 94115
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR, OPHTHALMOLOGY DEPARTMENT
SAN FRANCISCO, CA 94115
Family Medicine
2340 CLAY ST, FLOORS 1-5 AND 7
SAN FRANCISCO, CA 94115

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 Steven Katznelson's NPI number?

The NPI number for Steven Katznelson is 1225059520. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Steven Katznelson located?

Steven Katznelson practices at 2340 Clay St 4th Floor, San Francisco, CA 94115. The listed phone number is (415) 923-6501.

What is Steven Katznelson's specialty?

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

Is Steven Katznelson enrolled in Medicare?

Yes. Steven Katznelson 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 Steven Katznelson was last updated on June 8, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.