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MAHALET ZEWDE WELDE SEMAT M.D
NPI 1205288818
General Acute Care Hospital - Rural in San Francisco, CA

Active since July 07, 2016PECOS EnrolledAccepts Medicare Assignment
2447 VALLEJO ST APT 5, SAN FRANCISCO, CA 94123(787) 834-6000(787) 652-6032 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mahalet Zewde Welde Semat M.d NPPES

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

MAHALET ZEWDE WELDE SEMAT M.D (NPI 1205288818) is an individual rural provider in San Francisco, California, licensed in Puerto Rico (19009) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1205288818
Entity TypeIndividualFemale
Primary Taxonomy282NR1301X
Provider Legal NameMAHALET ZEWDE WELDE SEMATCredential: M.D
Location Address2447 VALLEJO ST APT 5San Francisco, CA 94123-4656
Mailing AddressPo Box 1750, Hospital Bella VistaMayaguez, PR 00681 · (787) 834-2350 · Fax (787) 652-6032
Phone(787) 834-6000
Fax(787) 652-6032
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateJuly 7, 2016
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1205288818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care Hospital · RuralHospitals
Taxonomy Code282NR1301X
License✔ Licensed in PR · 19009
2447 VALLEJO ST APT 5, San Francisco, CA 94123
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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

Mahalet Zewde Welde Semat 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 ID9436488715
PECOS Enrollment IDI20190911003283
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 Mahalet Welde Semat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
0.8 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.

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 Mahalet Welde Semat's NPI number?

The NPI number for Mahalet Welde Semat is 1205288818. It was assigned to this individual provider in the NPPES registry on July 7, 2016.

Where is Mahalet Welde Semat located?

Mahalet Welde Semat practices at 2447 Vallejo St Apt 5, San Francisco, CA 94123. The listed phone number is (787) 834-6000.

What is Mahalet Welde Semat's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital, specializing in Rural, with taxonomy code 282NR1301X.

Is Mahalet Welde Semat enrolled in Medicare?

Yes. Mahalet Welde Semat 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 Mahalet Welde Semat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahalet Welde Semat 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 Mahalet Welde Semat'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 Mahalet Welde Semat was last updated on February 11, 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.