DR. DUNCAN MACKAY MD, MBA
NPI 1043698616
Plastic Surgery in Madera, CA
About Dr. Duncan Mackay Md, Mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DUNCAN MACKAY MD, MBA (NPI 1043698616) is an individual plastic surgery provider in Madera, California, licensed in California (172592) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2015).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Duncan Mackay Md, Mba 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
3Medicare enrollment records show Duncan Mackay reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Clovis, CA 93611
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Valley Childrens Medical Group
- 387 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 93636 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.
MADERA, CA 93636
MADERA, CA 93636
MADERA, CA 93636
MADERA, CA 93636
MADERA, CA 93636
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 Duncan Mackay's NPI number?
The NPI number for Duncan Mackay is 1043698616. It was assigned to this individual provider in the NPPES registry on May 14, 2015.
Where is Duncan Mackay located?
Duncan Mackay practices at 9300 Valley Childrens Pl # Sc05, Madera, CA 93636. The listed phone number is (559) 353-5700.
What is Duncan Mackay's specialty?
The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.
Is Duncan Mackay enrolled in Medicare?
Yes. Duncan Mackay 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 Duncan Mackay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Duncan Mackay reassigns Medicare benefits to 3 organizations: Edgar S. Macias, M.D., Inc (Fresno, CA), Dehesa Dermatology Inc (Clovis, CA) and Valley Children's Medical Group (Modesto, 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 Duncan Mackay'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 Duncan Mackay was last updated on August 30, 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.
# Dr. Duncan Mackay, MD, MBA · NPI 1043698616
Plastic Surgery physician in Madera, California. Individual provider, active in the CMS NPPES registry since May 14, 2015.
## Identity
- **NPI:** 1043698616 (Entity type: Individual)
- **Enumerated:** May 14, 2015
- **Primary specialty:** Plastic Surgery · taxonomy 208200000X
- **State license:** 172592 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9300 VALLEY CHILDRENS PL # SC05, Madera, CA 93636-8761
- **Phone:** (559) 353-5700 · **Fax:** (559) 353-5708
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Edgar S. Macias, M.D., Inc (NPI 1871882712, Fresno, CA); Dehesa Dermatology Inc (NPI 1194518977, Clovis, CA); Valley Children's Medical Group (NPI 1437555265, Modesto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2015
## Record status
- **NPPES last updated:** August 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1043698616) · Data from the CMS NPPES public registry.