ALI ESSAM AL-TIMIMY MD
NPI 1023751682
Hospitalist in San Francisco, CA
About Ali Essam Al-timimy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALI ESSAM AL-TIMIMY MD (NPI 1023751682) is an individual hospitalist provider in San Francisco, California, licensed in California (A202352) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in Flushing, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ali Essam Al-timimy 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.
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.
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, CA 94143
SAN FRANCISCO, CA 94143
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 Ali Al-timimy's NPI number?
The NPI number for Ali Al-timimy is 1023751682. It was assigned to this individual provider in the NPPES registry on April 20, 2022.
Where is Ali Al-timimy located?
Ali Al-timimy practices at 521 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-1000.
What is Ali Al-timimy's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ali Al-timimy enrolled in Medicare?
Yes. Ali Al-timimy 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.
When was this NPI record last updated?
The NPPES record for Ali Al-timimy was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.
# Ali Essam Al-Timimy, MD · NPI 1023751682
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 20, 2022.
## Identity
- **NPI:** 1023751682 (Entity type: Individual)
- **Enumerated:** April 20, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A202352 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 521 PARNASSUS AVE, San Francisco, CA 94143-2206
- **Phone:** (415) 476-1000 · **Fax:** (415) 476-4818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** September 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023751682) · Data from the CMS NPPES public registry.