SYED T AHSAN DO
NPI 1831571009
Internal Medicine in Marion, IN
About Syed T Ahsan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYED T AHSAN DO (NPI 1831571009) is an individual internal medicine provider in Marion, Indiana, licensed in Indiana (02008144A) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Ohiohealth O'bleness Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Syed T Ahsan 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
13Medicare enrollment records show Syed Ahsan reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marion, IN 46952
- Reassigned Medicare billing, Indiana enrollment
- 139 clinicians in this Medicare group
Troy, OH 45373
- Reassigned Medicare billing, Ohio enrollment
- 405 clinicians in this Medicare group
Trotwood, OH 45426
- Reassigned Medicare billing, Ohio enrollment
- 744 clinicians in this Medicare group
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 270 clinicians in this Medicare group
Middletown, OH 45005
- Reassigned Medicare billing, Ohio enrollment
- 263 clinicians in this Medicare group
Springfield, OH 45504
- Reassigned Medicare billing, Ohio enrollment
- 494 clinicians in this Medicare group
Mount Gilead, OH 43338
- Reassigned Medicare billing, Ohio enrollment
- 89 clinicians in this Medicare group
Columbus, OH 43213
- Reassigned Medicare billing, Ohio enrollment
- 776 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Indiana enrollment
- 90 clinicians in this Medicare group
Huntington, WV 25703
- Reassigned Medicare billing, Ohio enrollment
- 176 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
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohiohealth O'bleness Hospital
Acute Care Hospitals · Athens, OHClinton Memorial Hospital
Acute Care Hospitals · Wilmington, OHSoutheastern Ohio Regional Medical Center
Acute Care Hospitals · Cambridge, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46952 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.
Reported Quality Measures
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.
MARION, IN 46952
MARION, IN 46952
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 Syed Ahsan's NPI number?
The NPI number for Syed Ahsan is 1831571009. It was assigned to this individual provider in the NPPES registry on June 24, 2015.
Where is Syed Ahsan located?
Syed Ahsan practices at 441 N Wabash Ave, Marion, IN 46952. The listed phone number is (765) 660-6000.
What is Syed Ahsan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Syed Ahsan enrolled in Medicare?
Yes. Syed Ahsan 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 Syed Ahsan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Syed Ahsan reassigns Medicare benefits to 13 organizations: Marion General Hospital (Marion, IN), Upper Valley Professional Corporation (Troy, OH), Mvhe Inc (Trotwood, OH), Sinclair Physician Services, LLC (Dayton, OH), Hisey Physician Services, LLC (Middletown, OH) and 8 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 Syed Ahsan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Syed Ahsan accept?
Health plans from CareSource, Molina Healthcare and Paramount list Syed Ahsan 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 Syed Ahsan affiliated with any hospitals?
According to CMS data, Syed Ahsan is affiliated with Ohiohealth O'bleness Hospital, Clinton Memorial Hospital and Southeastern Ohio Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Syed Ahsan was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Syed T Ahsan, DO · NPI 1831571009
Internal Medicine physician in Marion, Indiana. Individual provider, active in the CMS NPPES registry since June 24, 2015.
## Identity
- **NPI:** 1831571009 (Entity type: Individual)
- **Enumerated:** June 24, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 02008144A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 441 N WABASH AVE, Marion, IN 46952-2612
- **Phone:** (765) 660-6000
## 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:** 13 organizations under Medicare reassignment (form CMS-855R): Marion General Hospital (NPI 1346393204, Marion, IN); Upper Valley Professional Corporation (NPI 1407872518, Troy, OH); Mvhe Inc (NPI 1841243862, Trotwood, OH); Sinclair Physician Services, LLC (NPI 1063289601, Dayton, OH); Hisey Physician Services, LLC (NPI 1073380614, Middletown, OH); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2015
## Record status
- **NPPES last updated:** January 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831571009) · Data from the CMS NPPES public registry.