DR. HASHIM NAWAZ DEEN M.D.
NPI 1194041319
Internal Medicine in La Jolla, CA
About Dr. Hashim Nawaz Deen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HASHIM NAWAZ DEEN M.D. (NPI 1194041319) is an individual internal medicine provider in La Jolla, California, licensed in California (A123539) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 5
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. Hashim Nawaz Deen 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
6Medicare enrollment records show Hashim Deen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 78 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 1,051 clinicians in this Medicare group
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 92 clinicians in this Medicare group
Escondido, CA 92025
- Reassigned Medicare billing, California enrollment
- 111 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92037 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.
Referred Medical Equipment & Supplies CMS DME claims
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA JOLLA, CA 92037
LA JOLLA, CA 92037
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 Hashim Deen's NPI number?
The NPI number for Hashim Deen is 1194041319. It was assigned to this individual provider in the NPPES registry on April 13, 2010.
Where is Hashim Deen located?
Hashim Deen practices at 9300 Campus Point Dr, La Jolla, CA 92037. The listed phone number is (800) 926-8273.
What is Hashim Deen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hashim Deen enrolled in Medicare?
Yes. Hashim Deen 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 Hashim Deen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hashim Deen reassigns Medicare benefits to 6 organizations: Sharp Rees-Stealy Medical Group, Inc (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA), Focus On Health Inc (San Diego, CA), Regents Of The University Of California (San Diego, CA), North County Inpatient Medical Alliance, A Medical Group, Inc (Encinitas, CA) and 1 more organization, 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 Hashim Deen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Hashim Deen was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Hashim Nawaz Deen, M.D. · NPI 1194041319
Internal Medicine physician in La Jolla, California. Individual provider, active in the CMS NPPES registry since April 13, 2010.
## Identity
- **NPI:** 1194041319 (Entity type: Individual)
- **Enumerated:** April 13, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A123539 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9300 CAMPUS POINT DR, La Jolla, CA 92037-1300
- **Phone:** (800) 926-8273
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Sharp Rees-Stealy Medical Group, Inc (NPI 1285616177, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); Focus On Health Inc (NPI 1497450530, San Diego, CA); Regents Of The University Of California (NPI 1487772380, San Diego, CA); North County Inpatient Medical Alliance, A Medical Group, Inc (NPI 1932108115, Encinitas, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** October 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1194041319) · Data from the CMS NPPES public registry.