MAJID KIANMAJD DO
NPI 1396008389
Surgery in Fairfield, CA
About Majid Kianmajd Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAJID KIANMAJD DO (NPI 1396008389) is an individual surgery provider in Fairfield, California, licensed in California (17427) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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 and accepts Medicare assignment
Majid Kianmajd Do 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 Majid Kianmajd reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 clinicians in this Medicare group
Vacaville, CA 95687
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,407 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 9
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 94533 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 2
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 Majid Kianmajd's NPI number?
The NPI number for Majid Kianmajd is 1396008389. It was assigned to this individual provider in the NPPES registry on June 24, 2012.
Where is Majid Kianmajd located?
Majid Kianmajd practices at 1860 Pennsylvania Ave Ste 200, Fairfield, CA 94533. The listed phone number is (707) 646-4180.
What is Majid Kianmajd's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Majid Kianmajd enrolled in Medicare?
Yes. Majid Kianmajd 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 Majid Kianmajd's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Majid Kianmajd reassigns Medicare benefits to 4 organizations: Northbay Healthcare Group (Fairfield, CA), Northbay Health Medical Foundation (Fairfield, CA), Northbay Physicians Surgery Center LLC (Vacaville, CA) and Tmh Physician Associates PLLC (Houston, TX). 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 Majid Kianmajd'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 Majid Kianmajd was last updated on April 13, 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.
# Majid Kianmajd, DO · NPI 1396008389
Surgery physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since June 24, 2012.
## Identity
- **NPI:** 1396008389 (Entity type: Individual)
- **Enumerated:** June 24, 2012
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 17427 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1860 PENNSYLVANIA AVE STE 200, Fairfield, CA 94533-3550
- **Phone:** (707) 646-4180 · **Fax:** (707) 646-4185
## 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): Northbay Healthcare Group (NPI 1780736736, Fairfield, CA); Northbay Health Medical Foundation (NPI 1760283527, Fairfield, CA); Northbay Physicians Surgery Center LLC (NPI 1003015843, Vacaville, CA); Tmh Physician Associates PLLC (NPI 1275779225, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** April 13, 2026
- **Other identifiers:** Medicaid 388182301 (TX)
---
Source: [NPI Profile](https://npiprofile.com/npi/1396008389) · Data from the CMS NPPES public registry.