MOHAMMAD ROOSTAN
NPI 1417480534
Hospitalist in Santa Rosa, CA
About Mohammad Roostan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMAD ROOSTAN (NPI 1417480534) is an individual hospitalist provider in Santa Rosa, California, licensed in Oregon (MD211827) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and is a graduate of New York Medical College (2017).
NPPES Registry Identity
Specialties & Licenses 3
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
Mohammad Roostan 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
7Medicare enrollment records show Mohammad Roostan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Rosa, CA 95403
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Sutter Valley Medical Foundation
- 3,056 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
Salem, OR 97317
- Reassigned Medicare billing, Oregon and Washington enrollments
- Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
- Also billed through NPI 1871848457 (Washington)
- 3,207 clinicians in this Medicare group
Hillsboro, OR 97123
- Reassigned Medicare billing, Oregon enrollment
- 691 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Sunnyside Medical Center
Acute Care Hospitals · Clackamas, ORKaiser Foundation Hospital Westside
Acute Care Hospitals · Hillsboro, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95403 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
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
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 Mohammad Roostan's NPI number?
The NPI number for Mohammad Roostan is 1417480534. It was assigned to this individual provider in the NPPES registry on April 5, 2017.
Where is Mohammad Roostan located?
Mohammad Roostan practices at 401 Bicentennial Way, Santa Rosa, CA 95403. The listed phone number is (707) 393-4000.
What is Mohammad Roostan's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mohammad Roostan enrolled in Medicare?
Yes. Mohammad Roostan 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 Mohammad Roostan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Roostan reassigns Medicare benefits to 7 organizations: Sutter Medical Foundation (Santa Rosa, CA), Permanente Medical Group Inc (Vallejo, CA), Regents Of The University Of California (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and 2 more organizations, listed in the Medicare section above. 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 Mohammad Roostan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mohammad Roostan affiliated with any hospitals?
According to CMS data, Mohammad Roostan is affiliated with Kaiser Sunnyside Medical Center and Kaiser Foundation Hospital Westside.
When was this NPI record last updated?
The NPPES record for Mohammad Roostan was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mohammad Roostan · NPI 1417480534
Hospitalist physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since April 5, 2017.
## Identity
- **NPI:** 1417480534 (Entity type: Individual)
- **Enumerated:** April 5, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD211827 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 401 BICENTENNIAL WAY, Santa Rosa, CA 95403-2149
- **Phone:** (707) 393-4000 · **Fax:** (503) 681-1939
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Sutter Medical Foundation (NPI 1710162292, Santa Rosa, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2017
## Record status
- **NPPES last updated:** April 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1417480534) · Data from the CMS NPPES public registry.