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MARIA FERNANDA SERRANO M.D.
NPI 1518064419
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment
350 SAINT JOSEPHS AVE DEPT OF, SAN FRANCISCO, CA 94115(415) 833-4188 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Feb 11, 2022, Jul 28, 2017 (3 updates tracked since 2017).

About Maria Fernanda Serrano M.d. NPPES

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

MARIA FERNANDA SERRANO M.D. (NPI 1518064419) is an individual anatomic pathology & clinical pathology provider in San Francisco, California, licensed in California (A94711) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1518064419
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameMARIA FERNANDA SERRANOCredential: M.D.
Location Address350 SAINT JOSEPHS AVE DEPT OFSan Francisco, CA 94115-3255
Mailing Address350 Saint Josephs Ave, Department Of Pathology Room # 134San Francisco, CA 94115 · (415) 833-4188
Phone(415) 833-4188
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1518064419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A94711
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
350 SAINT JOSEPHS AVE DEPT OF, San Francisco, CA 94115
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Fernanda Serrano 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 ID6305010034
PECOS Enrollment IDI20111115000612
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 Reassignment

Medicare enrollment records show Maria Serrano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
0.1 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
40 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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
$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 Maria Serrano's NPI number?

The NPI number for Maria Serrano is 1518064419. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Maria Serrano located?

Maria Serrano practices at 350 Saint Josephs Ave Dept Of, San Francisco, CA 94115. The listed phone number is (415) 833-4188.

What is Maria Serrano's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Maria Serrano enrolled in Medicare?

Yes. Maria Serrano 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.

Which organization bills Medicare for Maria Serrano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Serrano reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Maria Serrano'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 Maria Serrano was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.