PAMELA ANN MACK
NPI 1881309045
Nurse Practitioner - Family in Upland, CA
About Pamela Ann Mack NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAMELA ANN MACK (NPI 1881309045) is an individual family provider in Upland, California, licensed in California (95033833) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Pamela Ann Mack 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
2Medicare enrollment records show Pamela Mack reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Petaluma, CA 94952
- Reassigned Medicare billing, California enrollment
- 37 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 4
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 91786 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Pamela Mack's NPI number?
The NPI number for Pamela Mack is 1881309045. It was assigned to this individual provider in the NPPES registry on January 20, 2023.
Where is Pamela Mack located?
Pamela Mack practices at 1183 E Foothill Blvd Ste 135, Upland, CA 91786. The listed phone number is (909) 931-1368.
What is Pamela Mack's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Pamela Mack enrolled in Medicare?
Yes. Pamela Mack 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 Pamela Mack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pamela Mack reassigns Medicare benefits to 2 organizations: Saint Elias Medical Group (Upland, CA) and Wound MD PC (Petaluma, 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 Pamela Mack'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 Pamela Mack was last updated on June 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Pamela Ann Mack · NPI 1881309045
Family physician in Upland, California. Individual provider, active in the CMS NPPES registry since January 20, 2023.
## Identity
- **NPI:** 1881309045 (Entity type: Individual)
- **Enumerated:** January 20, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95033833 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1183 E FOOTHILL BLVD STE 135, Upland, CA 91786-4082
- **Phone:** (909) 931-1368
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Saint Elias Medical Group (NPI 1457020760, Upland, CA); Wound MD PC (NPI 1942606744, Petaluma, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1881309045) · Data from the CMS NPPES public registry.