MS. KAREN P. TUAN M.D.
NPI 1669441358
Obstetrics & Gynecology in San Francisco, CA

Q: What is Karen Tuan's NPI number?

The NPI number for Karen Tuan is 1669441358. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Q: What is Karen Tuan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Tuan was last updated on August 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 March 15, 2006PECOS EnrolledAccepts Medicare Assignment

929 CLAY ST, SUITE 305, SAN FRANCISCO, CA 94108(415) 398-7178(415) 398-5525 Get Directions Write a Review

NPPES record last updated: August 2, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Karen P. Tuan M.d. NPPES

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

MS. KAREN P. TUAN M.D. (NPI 1669441358) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (G80796) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1990).

NPPES Registry Identity

NPI1669441358

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMS. KAREN P. TUANCredential: M.D.

Location Address929 CLAY ST, SUITE 305San Francisco, CA 94108-1556

Mailing Address929 Clay St, Suite 305San Francisco, CA 94108-1556 · (415) 398-7178 · Fax (415) 398-5525

Phone(415) 398-7178

Fax(415) 398-5525

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1990

Enumeration DateMarch 15, 2006

Last NPPES UpdateAugust 2, 2010

✔ NPI 1669441358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G80796

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

929 CLAY ST, San Francisco, CA 94108

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Other Identifiers 2

Medicare ID-Type Unspecified00G807960CA

Medicare UPING11424CA

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

Ms. Karen P. Tuan 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 ID8022204759

PECOS Enrollment IDI20101120000076

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 7

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 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.

172 services137 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

132 services125 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

76 services76 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

73 services73 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

71 services71 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

41 services41 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

$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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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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. WENWU JIN M.D., PH.D.

Urology

929 CLAY ST, SUITE 505
SAN FRANCISCO, CA 94108

San Francisco County (415) 392-9690

RAYMOND FAY MD

Urology

929 CLAY ST, #505
SAN FRANCISCO, CA 94108

San Francisco County (415) 392-9690

WENWU JIN MD PHD INCORPORATED

Urology

929 CLAY ST, SUITE 505
SAN FRANCISCO, CA 94108

San Francisco County (415) 392-9690

COLLIN P. QUOCK, M.D., A MEDICAL CORPORATION

Contractor

929 CLAY ST, SUITE 201
SAN FRANCISCO, CA 94108

San Francisco County (415) 398-5100

DR. KE H TUAN M.D.

Obstetrics & Gynecology

929 CLAY ST, 305
SAN FRANCISCO, CA 94108

San Francisco County (415) 398-7178

MR. DAVID S YEE MD

Ophthalmology

929 CLAY ST, STE 405
SAN FRANCISCO, CA 94108

San Francisco County (415) 986-3239

DAVID KE-H TUAN, MD., INC.

Obstetrics & Gynecology

929 CLAY ST, SUITE 305
SAN FRANCISCO, CA 94108

San Francisco County (415) 398-7178

DR. CLIFFORD CHEW MD

Otolaryngology

929 CLAY ST, SUITE 501
SAN FRANCISCO, CA 94108

San Francisco County (415) 433-7945

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 Karen Tuan's NPI number?

The NPI number for Karen Tuan is 1669441358. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is Karen Tuan located?

Karen Tuan practices at 929 Clay St Suite 305, San Francisco, CA 94108. The listed phone number is (415) 398-7178.

What is Karen Tuan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Karen Tuan enrolled in Medicare?

Yes. Karen Tuan 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 Karen Tuan was last updated on August 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.