SEYED HADI MIRHEDAYATI ROUDSARI MD
NPI 1780179952
Internal Medicine in Orinda, CA
About Seyed Hadi Mirhedayati Roudsari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEYED HADI MIRHEDAYATI ROUDSARI MD (NPI 1780179952) is an individual internal medicine provider in Orinda, California, licensed in California (A194794) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2009).
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
Seyed Hadi Mirhedayati Roudsari Md 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 Seyed Hadi Mirhedayati Roudsari reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 3
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 94563 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.
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 Seyed Hadi Mirhedayati Roudsari's NPI number?
The NPI number for Seyed Hadi Mirhedayati Roudsari is 1780179952. It was assigned to this individual provider in the NPPES registry on June 28, 2018.
Where is Seyed Hadi Mirhedayati Roudsari located?
Seyed Hadi Mirhedayati Roudsari practices at 12 Camino Encinas, Orinda, CA 94563. The listed phone number is (510) 204-8166.
What is Seyed Hadi Mirhedayati Roudsari's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Seyed Hadi Mirhedayati Roudsari enrolled in Medicare?
Yes. Seyed Hadi Mirhedayati Roudsari 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 Seyed Hadi Mirhedayati Roudsari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seyed Hadi Mirhedayati Roudsari reassigns Medicare benefits to 4 organizations: Sutter Bay Medical Foundation (Orinda, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Seyed Hadi Mirhedayati Roudsari'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 Seyed Hadi Mirhedayati Roudsari was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Seyed Hadi Mirhedayati Roudsari, MD · NPI 1780179952
Internal Medicine physician in Orinda, California. Individual provider, active in the CMS NPPES registry since June 28, 2018.
## Identity
- **NPI:** 1780179952 (Entity type: Individual)
- **Enumerated:** June 28, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A194794 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 12 CAMINO ENCINAS, Orinda, CA 94563-3304
- **Phone:** (510) 204-8166 · **Fax:** (510) 506-7724
## 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): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** January 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1780179952) · Data from the CMS NPPES public registry.