CHRISTINE MARSHALL M.D.
NPI 1225412109
Family Medicine - Obesity Medicine in San Francisco, CA

Active since July 10, 2015PECOS Enrolled
1 LETTERMAN DR # C3500, SAN FRANCISCO, CA 94129(888) 722-4690(888) 722-4690 Get Directions Write a Review

NPPES record last updated: February 14, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 14, 2023, Sep 20, 2018 (2 updates tracked since 2018).

About Christine Marshall M.d. NPPES

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

CHRISTINE MARSHALL M.D. (NPI 1225412109) is an individual obesity medicine provider in San Francisco, California, licensed in Pennsylvania (MD465343) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225412109
Entity TypeIndividualFemale
Primary Taxonomy207QB0002X
Provider Legal NameCHRISTINE MARSHALLCredential: M.D.
Location Address1 LETTERMAN DR # C3500San Francisco, CA 94129-1494
Mailing Address1 Letterman Dr # C3500San Francisco, CA 94129-1494 · (888) 722-4690 · Fax (484) 884-0699
Fax(888) 722-4690
Sole ProprietorYes
Enumeration DateJuly 10, 2015
Last NPPES UpdateFebruary 14, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 14, 2023
✔ NPI 1225412109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Obesity MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QB0002X
License✔ Licensed in PA · MD465343
Definition
A family medicine physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.
Also ListedFamily MedicineTaxonomy 207Q00000X · License MD465343 (PA)
1 LETTERMAN DR # C3500, San Francisco, CA 94129

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christine Marshall 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.

Medicare Billing Reassignments

2

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

Family Medicine
121 N TULPEHOCKEN ST
Pine Grove, PA 17963
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group
Internal Medicine
205 E LAUREL BLVD
Pottsville, PA 17901
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 399 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94129 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.

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 Christine Marshall's NPI number?

The NPI number for Christine Marshall is 1225412109. It was assigned to this individual provider in the NPPES registry on July 10, 2015.

Where is Christine Marshall located?

Christine Marshall practices at 1 Letterman Dr # C3500, San Francisco, CA 94129. The listed phone number is (888) 722-4690.

What is Christine Marshall's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Obesity Medicine, with taxonomy code 207QB0002X.

Is Christine Marshall enrolled in Medicare?

Yes. Christine Marshall is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christine Marshall's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Marshall reassigns Medicare benefits to 2 organizations: Lehigh Valley Physician Group (Pine Grove, PA) and Schuylkill Health System Medical Group, Inc. (Pottsville, PA). 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 Christine Marshall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christine Marshall accept?

Health plans from Blue Cross and Blue Shield of Texas list Christine Marshall 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 Christine Marshall was last updated on February 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.