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FREDERICA S. LOFQUIST M.D.
NPI 1750458873
Obstetrics & Gynecology in San Francisco, CA

Active since November 30, 2006PECOS Enrolled
98.42/100
CMS Quality Rating
3838 CALIFORNIA ST, 316, SAN FRANCISCO, CA 94118(415) 379-9600(415) 379-9823 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 9, 2025, Sep 11, 2025 (2 updates tracked since 2025).

About Frederica S. Lofquist M.d. NPPES

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

FREDERICA S. LOFQUIST M.D. (NPI 1750458873) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in Washington (MD61485190) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750458873
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameFREDERICA S. LOFQUISTCredential: M.D.
Location Address3838 CALIFORNIA ST, 316San Francisco, CA 94118-1522
Mailing Address3838 California St Rm 316San Francisco, CA 94118-1505 · (415) 379-9600 · Fax (415) 379-9823
Phone(415) 379-9600
Fax(415) 379-9823
Sole ProprietorNo
Enumeration DateNovember 30, 2006
Last NPPES UpdateDecember 9, 20252 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
✔ NPI 1750458873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD61485190
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.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License G65301 (CA)
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License G65301 (CA)
3838 CALIFORNIA ST, San Francisco, CA 94118
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Frederica S. Lofquist M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94118 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.

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.

98.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.7
Promoting Interoperability96
Improvement Activities40
Cost96.71

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.

SAN FRANCISCO UROGYNECOLOGY, INC.
Obstetrics & Gynecology (Gynecology)
3838 CALIFORNIA ST, SUITE 316
SAN FRANCISCO, CA 94118
San Francisco County (415) 367-9500
COHEN & HUFFORD MDS A MEDICAL CORPORATION
Internal Medicine (Hematology & Oncology)
3838 CALIFORNIA ST, SUITE 707
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0160
LAURENCE F YEE M.D.
Colon & Rectal Surgery
3838 CALIFORNIA ST, RM 616
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0411
DR. RANDOLPH H. CHASE M.D.
Internal Medicine
3838 CALIFORNIA ST, SUITE 608
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-2851
DANIEL F HARTMAN MD FACS A PROFESSIONAL CORPORATION
Otolaryngology
3838 CALIFORNIA ST, SUITE 505
SAN FRANCISCO, CA 94118
San Francisco County (415) 751-4914
CHRISTOPHER COX M.D.
Orthopaedic Surgery
3838 CALIFORNIA ST, SUITE 715
SAN FRANCISCO, CA 94118
San Francisco County (415) 592-2014
TAYLOR SMITH M.D.
Orthopaedic Surgery
3838 CALIFORNIA ST, SUITE 715
SAN FRANCISCO, CA 94118
San Francisco County (415) 592-2014
KEVIN KNOPF MD PC
Specialist
3838 CALIFORNIA ST, SUITE 707
SAN FRANCISCO, CA 94118
San Francisco County (415) 668-0160

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 Frederica Lofquist's NPI number?

The NPI number for Frederica Lofquist is 1750458873. It was assigned to this individual provider in the NPPES registry on November 30, 2006.

Where is Frederica Lofquist located?

Frederica Lofquist practices at 3838 California St 316, San Francisco, CA 94118. The listed phone number is (415) 379-9600.

What is Frederica Lofquist's specialty?

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

Is Frederica Lofquist enrolled in Medicare?

Yes. Frederica Lofquist is registered in the Medicare PECOS enrollment system.

What insurance does Frederica Lofquist accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Frederica Lofquist as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Frederica Lofquist was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.