MAURICIO JALIFE BUCAY M.D
NPI 1003255654
Hospitalist in San Francisco, CA
About Mauricio Jalife Bucay M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAURICIO JALIFE BUCAY M.D (NPI 1003255654) is an individual hospitalist provider in San Francisco, California, licensed in California (A166689) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Other (2010).
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
Mauricio Jalife Bucay 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.
Medicare Billing Reassignments
4Medicare enrollment records show Mauricio Jalife Bucay 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 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 213 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.
Areas of Expertise CMS Part B claims 5
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.
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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
SAN FRANCISCO, CA 94143
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 Mauricio Jalife Bucay's NPI number?
The NPI number for Mauricio Jalife Bucay is 1003255654. It was assigned to this individual provider in the NPPES registry on June 17, 2013.
Where is Mauricio Jalife Bucay located?
Mauricio Jalife Bucay practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 750-4994.
What is Mauricio Jalife Bucay's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mauricio Jalife Bucay enrolled in Medicare?
Yes. Mauricio Jalife Bucay 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 Mauricio Jalife Bucay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mauricio Jalife Bucay reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Pacific Inpatient Medical Group (San Francisco, 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 Mauricio Jalife Bucay'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 Mauricio Jalife Bucay was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# Mauricio Jalife Bucay, M.D · NPI 1003255654
Hospitalist physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 17, 2013.
## Identity
- **NPI:** 1003255654 (Entity type: Individual)
- **Enumerated:** June 17, 2013
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A166689 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 505 PARNASSUS AVE, San Francisco, CA 94143
- **Phone:** (415) 750-4994 · **Fax:** (415) 750-8156
## 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 1376613943, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Pacific Inpatient Medical Group (NPI 1447447248, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** April 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003255654) · Data from the CMS NPPES public registry.