MARVIN SIY SIH MD
NPI 1326238304
Psychiatry & Neurology - Neurology in Ravenna, OH
About Marvin Siy Sih Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARVIN SIY SIH MD (NPI 1326238304) is an individual neurology provider in Ravenna, Ohio, licensed in Ohio (35.134347) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
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
Marvin Siy Sih 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 Reassignment
Medicare enrollment records show Marvin Sih reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Streetsboro, OH 44241
- Reassigned Medicare billing, Ohio enrollment
- 1,437 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 10
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parma Community General Hospital
Acute Care Hospitals · Parma, OHUniversity Hospitals Portage Medical Center
Acute Care Hospitals · Ravenna, OHLake Health
Acute Care Hospitals · Concord, OHUh Cleveland Medical Center
Acute Care Hospitals · Cleveland, OHUhhs Memorial Hospital Of Geneva
Critical Access Hospitals · Geneva, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44266 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 8
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RAVENNA, OH 44266
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 Marvin Sih's NPI number?
The NPI number for Marvin Sih is 1326238304. It was assigned to this individual provider in the NPPES registry on July 26, 2007.
Where is Marvin Sih located?
Marvin Sih practices at 6847 N Chestnut St Ste 325, Ravenna, OH 44266. The listed phone number is (330) 297-2401.
What is Marvin Sih's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Marvin Sih enrolled in Medicare?
Yes. Marvin Sih 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 organization bills Medicare for Marvin Sih's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marvin Sih reassigns Medicare benefits to University Primary Care Practices, Inc. (Streetsboro, OH). The 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 Marvin Sih's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marvin Sih accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 2 other insurers list Marvin Sih as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Marvin Sih affiliated with any hospitals?
According to CMS data, Marvin Sih is affiliated with Parma Community General Hospital, University Hospitals Portage Medical Center, Lake Health, Uh Cleveland Medical Center and Uhhs Memorial Hospital Of Geneva.
When was this NPI record last updated?
The NPPES record for Marvin Sih was last updated on December 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Marvin Siy Sih, MD · NPI 1326238304
Neurology physician in Ravenna, Ohio. Individual provider, active in the CMS NPPES registry since July 26, 2007.
## Identity
- **NPI:** 1326238304 (Entity type: Individual)
- **Enumerated:** July 26, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 35.134347 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 6847 N CHESTNUT ST STE 325, Ravenna, OH 44266-3929
- **Phone:** (330) 297-2401 · **Fax:** (330) 297-4485
## 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:** University Primary Care Practices, Inc. (NPI 1992179493, Streetsboro, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 16, 2020
- **Other identifiers:** Other 003719271 (KS); Medicaid 201074230A (KS); Medicaid 0307547 (OH); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1326238304) · Data from the CMS NPPES public registry.