DR. RENA K. FOX MD
NPI 1013067040
Internal Medicine in San Francisco, CA

Q: What is Rena Fox's NPI number?

The NPI number for Rena Fox is 1013067040. It was assigned to this individual provider in the NPPES registry on January 11, 2007. The provider is also known as Rena Lynn Kramer.

Q: What is Rena Fox's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Rena Fox was last updated on July 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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 January 11, 2007PECOS EnrolledAccepts Medicare Assignment

74.46/100

CMS Quality Rating

400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-4624(415) 353-2640 Get Directions Write a Review

NPPES record last updated: July 21, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Rena K. Fox Md NPPES

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

DR. RENA K. FOX MD (NPI 1013067040) is an individual internal medicine provider in San Francisco, California, licensed in California (A72286) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1997).

NPPES Registry Identity

NPI1013067040

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. RENA K. FOXCredential: MD

Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202

Mailing Address1635 Divisadero St Ste 625, Box 1821San Francisco, CA 94143-0001

Phone(415) 353-4624

Fax(415) 353-2640

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1997

Enumeration DateJanuary 11, 2007

Last NPPES UpdateJuly 21, 2008

✔ NPI 1013067040 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 · A72286

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.

400 PARNASSUS AVE, San Francisco, CA 94143

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Other Names 1

Other Name (5)Rena Lynn Kramer

Other Identifiers 3

Medicare UPINH28560CA

Medicare PIN00A722860CA

Medicaid00A722860CA

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. Rena K. Fox Md 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 ID6608959531

PECOS Enrollment IDI20080214000484

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 4

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 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.

272 services139 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.

135 services109 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421

This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.

48 services32 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.

18 services18 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 Interoperability

Improvement Activities

Cost

46.68

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.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH

Ophthalmology

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2560

DR. MARISSA A BOECK M.D.

Surgery (Surgical Critical Care)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2161

DR. JACQUELINE EVA WEINSTEIN M.D.

Otolaryngology (Pediatric Otolaryngology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1000

TIFFANY PONG ROSS PA-C

Physician Assistant

400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

SHINTARO TATEBE MSPT

Physical Therapist

400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8574

DR. YVONNE W WU MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2813

DR. DAVID S. BRADFORD MD

Orthopaedic Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

DR. SANG-MO KANG MD

Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1551

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 Rena Fox's NPI number?

The NPI number for Rena Fox is 1013067040. It was assigned to this individual provider in the NPPES registry on January 11, 2007. The provider is also known as Rena Lynn Kramer.

Where is Rena Fox located?

Rena Fox practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-4624.

What is Rena Fox's specialty?

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

Is Rena Fox enrolled in Medicare?

Yes. Rena Fox 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 Rena Fox was last updated on July 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.