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DR. WEIWEN ZHENG M.D.
NPI 1023059201
Family Medicine in San Francisco, CA

Active since June 09, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D1046689 · Waiver
950 STOCKTON ST, SUITE 328, SAN FRANCISCO, CA 94108(415) 398-2698(415) 398-2686 Get Directions Write a Review

NPPES record last updated: October 15, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Weiwen Zheng M.d. NPPES

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

DR. WEIWEN ZHENG M.D. (NPI 1023059201) is an individual family medicine provider in San Francisco, California, licensed in California (A92238) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 16, 2027, and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1023059201
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. WEIWEN ZHENGCredential: M.D.
Location Address950 STOCKTON ST, SUITE 328San Francisco, CA 94108-1633
Mailing Address950 Stockton St, Suite 328San Francisco, CA 94108-1633 · (415) 398-2698 · Fax (415) 398-2686
Phone(415) 398-2698
Fax(415) 398-2686
Sole ProprietorYes
Medical School CMSOtherGraduated 1992
Enumeration DateJune 9, 2006
Last NPPES UpdateOctober 15, 2020
NPPES CertifiedOctober 15, 2020
✔ NPI 1023059201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A92238
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
950 STOCKTON ST, San Francisco, CA 94108
Open in Google Maps ↗

Secondary Practice Location 1

Location 11838 Noriega StSan Francisco, CA 94122-4324 · Phone (415) 398-2698 · Fax (415) 398-2686

Other Identifiers 1

Medicaid2177736CA

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. Weiwen Zheng 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 ID1850379959
PECOS Enrollment IDI20051012000400
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1046689

Wein Zheng, MD · San Francisco, CA
Active · expires Oct 16, 2027
CLIA Number05D1046689
Laboratory TypePhysician Office
Certificate Effective DateOctober 17, 2025
Certificate Expiration DateOctober 16, 2027
Laboratory DirectorWein Zheng, MD
Laboratory Phone(415) 398-2698
Laboratory LocationWein Zheng, MD950 Stockton St, Mandarin Tower #328, San Francisco, CA 94108
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

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 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.
563 services144 patients
Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012
A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.
310 services117 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.
162 services108 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
109 services109 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
95 services95 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
95 services95 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94108 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
91%164 patients4/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
82%695 patients4/55-star benchmark: 99%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
77%1,141 patients4/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
51%982 patients3/55-star benchmark: 88%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

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
13 suppliers51 claims116 services$3.98 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
11 suppliers34 claims36 services$0.60 avg. paid by Medicare
Cane, includes canes of all materials, adjustable or fixed, with tip E0100
DME-Other DME · category DE000N
2 suppliers12 claims12 services$16.82 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), without side rails, without mattress E0295
DME-Hospital Beds · category DB000N
2 suppliers16 claims17 services$37.99 avg. paid by Medicare
Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038
DME-Other DME · category DE000N
2 suppliers14 claims14 services$9.72 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 16

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

DR. KIN-KEE PUN M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
950 STOCKTON ST, SUITE 375
SAN FRANCISCO, CA 94108
San Francisco County (415) 421-8999
MARK TSANG, D.D.S., INC.
Dentist (General Practice)
950 STOCKTON ST, SUITE 208
SAN FRANCISCO, CA 94108
San Francisco County (415) 986-8899
DR. LISA NAERI KANG MD
Surgery
950 STOCKTON ST, SUITE 388
SAN FRANCISCO, CA 94108
San Francisco County (415) 296-9302
ROGER RONGQING WANG D.O.
Internal Medicine (Allergy & Immunology)
950 STOCKTON ST, SUITE 399
SAN FRANCISCO, CA 94108
San Francisco County (415) 677-0901
DR. EDMUND HAI-MING TSOI M.D.
Surgery
950 STOCKTON ST, 388
SAN FRANCISCO, CA 94108
San Francisco County (415) 296-9302
DAVID MYUNG-SUP KANG M.D.
Surgery
950 STOCKTON ST, SIUTE 202
SAN FRANCISCO, CA 94108
San Francisco County (415) 827-3323
WING KWONG LEE MD
Obstetrics & Gynecology
950 STOCKTON ST, STE 203
SAN FRANCISCO, CA 94108
San Francisco County (415) 788-1072
DR. XIAOSONG LIU D.D.S
Dentist (General Practice)
950 STOCKTON ST, SUITE 400
SAN FRANCISCO, CA 94108
San Francisco County (415) 956-3317

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 Weiwen Zheng's NPI number?

The NPI number for Weiwen Zheng is 1023059201. It was assigned to this individual provider in the NPPES registry on June 9, 2006.

Where is Weiwen Zheng located?

Weiwen Zheng practices at 950 Stockton St Suite 328, San Francisco, CA 94108. The listed phone number is (415) 398-2698.

What is Weiwen Zheng's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Weiwen Zheng enrolled in Medicare?

Yes. Weiwen Zheng 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.

Does Weiwen Zheng hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1046689) is associated with this NPI, valid through October 16, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Weiwen Zheng was last updated on October 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.