DR. MUHAMMAD ISHAQ MD
NPI 1457520884
Psychiatry & Neurology - Psychiatry in Norman, OK
About Dr. Muhammad Ishaq Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MUHAMMAD ISHAQ MD (NPI 1457520884) is an individual psychiatry provider in Norman, Oklahoma, licensed in Oklahoma (25715) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS, is affiliated with Norman Regional, and maintains a secondary practice location in Norman.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Muhammad Ishaq 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
3Medicare enrollment records show Muhammad Ishaq reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 170 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 3 clinicians in this Medicare group
Norman, OK 73072
- Reassigned Medicare billing, Oklahoma enrollment
- 218 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 5
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Norman Regional
Acute Care Hospitals · Norman, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73071 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.
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.
NORMAN, OK 73071
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 Ishaq's NPI number?
The NPI number for Muhammad Ishaq is 1457520884. It was assigned to this individual provider in the NPPES registry on February 29, 2008.
Where is Muhammad Ishaq located?
Muhammad Ishaq practices at 900 E Main St, Norman, OK 73071. The listed phone number is (405) 573-6602.
What is Muhammad Ishaq's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Muhammad Ishaq enrolled in Medicare?
Yes. Muhammad Ishaq 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 Ishaq's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Ishaq reassigns Medicare benefits to 3 organizations: State Of Oklahoma (Norman, OK), Farhan Jawed, M.D., PLLC (Norman, OK) and Norman Regional Providers Specialty Care (Norman, OK). 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 Ishaq's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Ishaq accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Muhammad Ishaq 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 Ishaq affiliated with any hospitals?
According to CMS data, Muhammad Ishaq is affiliated with Norman Regional.
When was this NPI record last updated?
The NPPES record for Muhammad Ishaq was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Muhammad Ishaq, MD · NPI 1457520884
Psychiatry physician in Norman, Oklahoma. Individual provider, active in the CMS NPPES registry since February 29, 2008.
## Identity
- **NPI:** 1457520884 (Entity type: Individual)
- **Enumerated:** February 29, 2008
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 25715 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 E MAIN ST, Norman, OK 73071-5305
- **Phone:** (405) 573-6602 · **Fax:** (405) 573-6684
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): State Of Oklahoma (NPI 1194816074, Norman, OK); Farhan Jawed, M.D., PLLC (NPI 1992040059, Norman, OK); Norman Regional Providers Specialty Care (NPI 1548513773, Norman, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** July 6, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1457520884) · Data from the CMS NPPES public registry.