MUHAMMAD MAHMOOD MD
NPI 1659505535
Internal Medicine - Endocrinology, Diabetes & Metabolism in Cincinnati, OH
About Muhammad Mahmood Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUHAMMAD MAHMOOD MD (NPI 1659505535) is an individual endocrinology, diabetes & metabolism provider in Cincinnati, Ohio, licensed in Ohio (35.126675) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with The Jewish Hospital-mercy Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Muhammad Mahmood 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
2Medicare enrollment records show Muhammad Mahmood reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Blue Ash, OH 45242
- Reassigned Medicare billing, Ohio enrollment
- 481 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 3,314 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The Jewish Hospital-Mercy Health
Acute Care Hospitals · Cincinnati, OHMercy Health - Fairfield Hospital
Acute Care Hospitals · Fairfield, OHMercy Health - West Hospital
Acute Care Hospitals · Cincinnati, OHMercy Health - Clermont Hospital
Acute Care Hospitals · Batavia, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CINCINNATI, OH 45224
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 Muhammad Mahmood's NPI number?
The NPI number for Muhammad Mahmood is 1659505535. It was assigned to this individual provider in the NPPES registry on May 7, 2009.
Where is Muhammad Mahmood located?
Muhammad Mahmood practices at 6540 Winton Rd, Cincinnati, OH 45224. The listed phone number is (513) 891-3636.
What is Muhammad Mahmood's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Muhammad Mahmood enrolled in Medicare?
Yes. Muhammad Mahmood 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 Muhammad Mahmood's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Mahmood reassigns Medicare benefits to 2 organizations: Mercy Health Physicians Cincinnati Specialty Care LLC (Blue Ash, OH) and Ohiohealth Corporation (Columbus, 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 Muhammad Mahmood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Mahmood 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 5 other insurers list Muhammad Mahmood 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 Muhammad Mahmood affiliated with any hospitals?
According to CMS data, Muhammad Mahmood is affiliated with The Jewish Hospital-Mercy Health, Mercy Health - Fairfield Hospital, Mercy Health - West Hospital and Mercy Health - Clermont Hospital.
When was this NPI record last updated?
The NPPES record for Muhammad Mahmood was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Muhammad Mahmood, MD · NPI 1659505535
Endocrinology, Diabetes & Metabolism physician in Cincinnati, Ohio. Individual provider, active in the CMS NPPES registry since May 7, 2009.
## Identity
- **NPI:** 1659505535 (Entity type: Individual)
- **Enumerated:** May 7, 2009
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 35.126675 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 6540 WINTON RD, Cincinnati, OH 45224-1391
- **Phone:** (513) 891-3636 · **Fax:** (513) 339-0790
## 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): Mercy Health Physicians Cincinnati Specialty Care LLC (NPI 1154942795, Blue Ash, OH); Ohiohealth Corporation (NPI 1407292105, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1659505535) · Data from the CMS NPPES public registry.