MARTHA ALAZAR TESFALUL MD
NPI 1619241999
Obstetrics & Gynecology - Maternal & Fetal Medicine in San Francisco, CA
About Martha Alazar Tesfalul Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARTHA ALAZAR TESFALUL MD (NPI 1619241999) is an individual maternal & fetal medicine provider in San Francisco, California, licensed in California (A142407) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Johns Hopkins University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Martha Alazar Tesfalul Md 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.
Medicare Billing Reassignments
4Medicare enrollment records show Martha Tesfalul reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Alameda, CA 94501
- Reassigned Medicare billing, California enrollment
- 900 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 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Martha Tesfalul's NPI number?
The NPI number for Martha Tesfalul is 1619241999. It was assigned to this individual provider in the NPPES registry on March 3, 2012.
Where is Martha Tesfalul located?
Martha Tesfalul practices at 1855 Fourth Street, San Francisco, CA 94143. The listed phone number is (415) 885-7788.
What is Martha Tesfalul's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Martha Tesfalul enrolled in Medicare?
Yes. Martha Tesfalul 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 organizations bill Medicare for Martha Tesfalul's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Tesfalul reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Alameda Health System (Alameda, 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 Martha Tesfalul'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 Martha Tesfalul was last updated on August 7, 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.
# Martha Alazar Tesfalul, MD · NPI 1619241999
Maternal & Fetal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 3, 2012.
## Identity
- **NPI:** 1619241999 (Entity type: Individual)
- **Enumerated:** March 3, 2012
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** A142407 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1855 FOURTH STREET, San Francisco, CA 94143
- **Phone:** (415) 885-7788 · **Fax:** (415) 476-5372
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Alameda Health System (NPI 1124446158, Alameda, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** August 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1619241999) · Data from the CMS NPPES public registry.