DR. ZAHER K OTROCK M.D., PH.D.
NPI 1477995306
Pathology - Blood Banking & Transfusion Medicine in Cleveland, OH
About Dr. Zaher K Otrock M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZAHER K OTROCK M.D., PH.D. (NPI 1477995306) is an individual blood banking & transfusion medicine provider in Cleveland, Ohio, licensed in Ohio (35.147173) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Akron General Medical Center, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses 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
Dr. Zaher K Otrock M.d., Ph.d. 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
2Medicare enrollment records show Zaher Otrock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cleveland, OH 44195
- Reassigned Medicare billing, Ohio enrollment
- 7,608 clinicians in this Medicare group
Wooster, OH 44691
- Reassigned Medicare billing, Ohio enrollment
- 837 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 2
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.
Akron General Medical Center
Acute Care Hospitals · Akron, OHMercy Medical Center
Acute Care Hospitals · Canton, OHFairview Hospital
Acute Care Hospitals · Cleveland, OHCleveland Clinic
Acute Care Hospitals · Cleveland, OHHillcrest Hospital
Acute Care Hospitals · Mayfield Heights, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44195 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.
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
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 Zaher Otrock's NPI number?
The NPI number for Zaher Otrock is 1477995306. It was assigned to this individual provider in the NPPES registry on July 19, 2013.
Where is Zaher Otrock located?
Zaher Otrock practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (216) 445-4619.
What is Zaher Otrock's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.
Is Zaher Otrock enrolled in Medicare?
Yes. Zaher Otrock 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 Zaher Otrock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zaher Otrock reassigns Medicare benefits to 2 organizations: The Cleveland Clinic Foundation (Cleveland, OH) and Wooster Clinic, LLC (Wooster, OH). 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 Zaher Otrock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Zaher Otrock affiliated with any hospitals?
According to CMS data, Zaher Otrock is affiliated with Akron General Medical Center, Mercy Medical Center, Fairview Hospital, Cleveland Clinic and Hillcrest Hospital.
When was this NPI record last updated?
The NPPES record for Zaher Otrock was last updated on January 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Dr. Zaher K Otrock, M.D., PH.D. · NPI 1477995306
Blood Banking & Transfusion Medicine physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since July 19, 2013.
## Identity
- **NPI:** 1477995306 (Entity type: Individual)
- **Enumerated:** July 19, 2013
- **Primary specialty:** Pathology - Blood Banking & Transfusion Medicine · taxonomy 207ZB0001X
- **State license:** 35.147173 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 9500 EUCLID AVE, Cleveland, OH 44195-0001
- **Phone:** (216) 445-4619
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Cleveland Clinic Foundation (NPI 1679525919, Cleveland, OH); Wooster Clinic, LLC (NPI 1033135009, Wooster, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** January 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1477995306) · Data from the CMS NPPES public registry.