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KAREN CHU MD
NPI 1053436899
Obstetrics & Gynecology in San Francisco, CA

Active since March 20, 2007PECOS Enrolled
1 DANIEL BURNHAM CT STE 230C, SAN FRANCISCO, CA 94109(415) 563-9000(415) 563-1232 Get Directions Write a Review

NPPES record last updated: April 9, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen Chu Md NPPES

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

KAREN CHU MD (NPI 1053436899) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A84215) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of State University Of New York Downstate Medical Center (1999).

NPPES Registry Identity

NPI1053436899
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKAREN CHUCredential: MD
Location Address1 DANIEL BURNHAM CT STE 230CSan Francisco, CA 94109-0460
Mailing Address1 Daniel Burnham Ct Ste 230cSan Francisco, CA 94109-0460 · (415) 563-9000 · Fax (415) 563-1232
Phone(415) 563-9000
Fax(415) 563-1232
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1999
Enumeration DateMarch 20, 2007
Last NPPES UpdateApril 9, 2018
✔ NPI 1053436899 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 · A84215
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.
1 DANIEL BURNHAM CT STE 230C, San Francisco, CA 94109
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Secondary Practice Location 1

Location 13838 California St Rm 412San Francisco, CA 94118-1506 · Phone (415) 379-6800 · Fax (415) 379-6808

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Chu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153489224
PECOS Enrollment IDI20081021000223
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Karen Chu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sfwomen's Gyn Inc.
1.9 mi
Gynecology
3838 CALIFORNIA ST RM 412
San Francisco, CA 94118
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: San Francisco Women's Healthcare, Inc.
  • 3 clinicians in this Medicare group
NPI 1912027632 (415) 379-6800
Regents Univ Of California Ucsf
2.6 mi
Internal Medicine
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
NPI 1124439807 (415) 476-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.
49 services28 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.
17 services17 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.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94109 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.

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 Chu's NPI number?

The NPI number for Karen Chu is 1053436899. It was assigned to this individual provider in the NPPES registry on March 20, 2007.

Where is Karen Chu located?

Karen Chu practices at 1 Daniel Burnham Ct Ste 230C, San Francisco, CA 94109. The listed phone number is (415) 563-9000.

What is Karen Chu's specialty?

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

Is Karen Chu enrolled in Medicare?

Yes. Karen Chu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Chu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Chu reassigns Medicare benefits to 2 organizations: Sfwomen's Gyn Inc. (San Francisco, CA) and Regents Univ Of California Ucsf (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Chu was last updated on April 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.