JUDY D MAMACLAY MD
NPI 1457357618
Internal Medicine - Geriatric Medicine in San Francisco, CA
About Judy D Mamaclay Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUDY D MAMACLAY MD (NPI 1457357618) is an individual geriatric medicine provider in San Francisco, California, licensed in Connecticut (040859) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Judy D Mamaclay Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Judy Mamaclay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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 94118 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 94118
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 Judy Mamaclay's NPI number?
The NPI number for Judy Mamaclay is 1457357618. It was assigned to this individual provider in the NPPES registry on June 22, 2005.
Where is Judy Mamaclay located?
Judy Mamaclay practices at 4131 Geary Blvd, San Francisco, CA 94118. The listed phone number is (415) 418-9114.
What is Judy Mamaclay's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Judy Mamaclay enrolled in Medicare?
Yes. Judy Mamaclay is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Judy Mamaclay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Judy Mamaclay 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 Judy Mamaclay'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 Judy Mamaclay was last updated on March 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Judy D Mamaclay, MD · NPI 1457357618
Geriatric Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since June 22, 2005.
## Identity
- **NPI:** 1457357618 (Entity type: Individual)
- **Enumerated:** June 22, 2005
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** 040859 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 4131 GEARY BLVD, San Francisco, CA 94118-3101
- **Phone:** (415) 418-9114
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 15, 2025
- **Other identifiers:** Medicaid 001408592 (CT)
---
Source: [NPI Profile](https://npiprofile.com/npi/1457357618) · Data from the CMS NPPES public registry.