SHAHAB DIAN MD
NPI 1851554208
Internal Medicine in Fresno, CA
About Shahab Dian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAHAB DIAN MD (NPI 1851554208) is an individual internal medicine provider in Fresno, California, licensed in California (A115541) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 2
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
Shahab Dian 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
3Medicare enrollment records show Shahab Dian 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
- 296 clinicians in this Medicare group
Fresno, CA 93720
- Reassigned Medicare billing, California enrollment
- 47 clinicians in this Medicare group
Rochester, NY 14624
- Reassigned Medicare billing, New York enrollment
- 1,442 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 5
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 93720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 Shahab Dian's NPI number?
The NPI number for Shahab Dian is 1851554208. It was assigned to this individual provider in the NPPES registry on July 7, 2008. The provider is also known as Shahab Mohammadian MD.
Where is Shahab Dian located?
Shahab Dian practices at 7202 N Millbrook Ave Ste 105, Fresno, CA 93720. The listed phone number is (559) 450-4463.
What is Shahab Dian's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Shahab Dian enrolled in Medicare?
Yes. Shahab Dian 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 Shahab Dian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shahab Dian reassigns Medicare benefits to 3 organizations: Saint Agnes Medical Foundation (Fresno, CA), Arya Medical Group Corp (Fresno, CA) and The Unity Hospital Of Rochester (Rochester, NY). 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 Shahab Dian'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 Shahab Dian was last updated on April 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Shahab Dian, MD · NPI 1851554208
Internal Medicine physician in Fresno, California. Individual provider, active in the CMS NPPES registry since July 7, 2008.
## Identity
- **NPI:** 1851554208 (Entity type: Individual)
- **Enumerated:** July 7, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A115541 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7202 N MILLBROOK AVE STE 105, Fresno, CA 93720-3341
- **Phone:** (559) 450-4463 · **Fax:** (559) 450-4462
## 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): Saint Agnes Medical Foundation (NPI 1558819482, Fresno, CA); Arya Medical Group Corp (NPI 1912365891, Fresno, CA); The Unity Hospital Of Rochester (NPI 1720471246, Rochester, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** April 14, 2023
- **Other identifiers:** Other CA586865 (CA); Medicaid 03391155 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1851554208) · Data from the CMS NPPES public registry.