DR. MAHAD MOHAMED HASSAN M.D.
NPI 1245658012
Orthopaedic Surgery in Santa Monica, CA
About Dr. Mahad Mohamed Hassan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAHAD MOHAMED HASSAN M.D. (NPI 1245658012) is an individual orthopaedic surgery provider in Santa Monica, California, licensed in California (C207403) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Park Nicollet Methodist 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
Dr. Mahad Mohamed Hassan M.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
7Medicare enrollment records show Mahad Hassan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 78 clinicians in this Medicare group
Waite Park, MN 56387
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Chaska, MN 55318
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Bloomington, MN 55431
- Reassigned Medicare billing, Minnesota enrollment
- 693 clinicians in this Medicare group
St Louis Park, MN 55416
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Park Nicollet Methodist Hospital
Acute Care Hospitals · Saint Louis Park, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90404 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA MONICA, CA 90404
SANTA MONICA, CA 90404
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 Mahad Hassan's NPI number?
The NPI number for Mahad Hassan is 1245658012. It was assigned to this individual provider in the NPPES registry on March 30, 2014.
Where is Mahad Hassan located?
Mahad Hassan practices at 1250 16th St Ste 2100, Santa Monica, CA 90404. The listed phone number is (424) 259-6593.
What is Mahad Hassan's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Mahad Hassan enrolled in Medicare?
Yes. Mahad Hassan 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 Mahad Hassan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mahad Hassan reassigns Medicare benefits to 7 organizations: Regents Of The University Of California (Los Angeles, CA), Group Health, Inc. (Waite Park, MN), Fairview Express Care (Chaska, MN), Tria Orthopaedic Center LLC (Bloomington, MN), University Of Minnesota Physicians (St Louis Park, MN) and 2 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 Mahad Hassan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mahad Hassan accept?
Health plans from Taro Health list Mahad Hassan 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 Mahad Hassan affiliated with any hospitals?
According to CMS data, Mahad Hassan is affiliated with Park Nicollet Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Mahad Hassan was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Mahad Mohamed Hassan, M.D. · NPI 1245658012
Orthopaedic Surgery physician in Santa Monica, California. Individual provider, active in the CMS NPPES registry since March 30, 2014.
## Identity
- **NPI:** 1245658012 (Entity type: Individual)
- **Enumerated:** March 30, 2014
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** C207403 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1250 16TH ST STE 2100, Santa Monica, CA 90404-1249
- **Phone:** (424) 259-6593
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1679918395, Los Angeles, CA); Group Health, Inc. (NPI 1457836454, Waite Park, MN); Fairview Express Care (NPI 1043991904, Chaska, MN); Tria Orthopaedic Center LLC (NPI 1346624384, Bloomington, MN); University Of Minnesota Physicians (NPI 1144368531, St Louis Park, MN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2014
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245658012) · Data from the CMS NPPES public registry.