What is Usamah Simjee's NPI number?

Usamah Simjee's National Provider Identifier (NPI) is 1841750783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Usamah Simjee's specialty?

Usamah Simjee is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Usamah Simjee located?

Usamah Simjee's practice location on file with NPPES is 9252 Garden Grove Blvd Ste 19-1021, Garden Grove, CA 92844-1436.

What is Usamah Simjee's phone number?

The practice phone number listed in the NPPES registry for Usamah Simjee is (781) 218-9550.

Does Usamah Simjee accept Medicare?

Usamah Simjee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Usamah Simjee's NPI active?

Yes — Usamah Simjee's NPI (1841750783) is active in the NPPES registry as of the last update on 2023-09-26.

IndividualActiveAccepts Medicare

Usamah Simjee, MD

NPI 1841750783 · Psychiatry Physician · Garden Grove, CA

Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Usamah Simjee, MD is a Psychiatry Physician provider in Garden Grove, CA (NPI 1841750783).

Provider details

NPI number: 1841750783
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 309996 (NY)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense 1016121 (MA)
Allopathic & Osteopathic Physicians
Psychiatry Physician2084P0800XLicense 309996 (NY)
Allopathic & Osteopathic Physicians
Psychiatry Physician2084P0800XLicense A184329 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
12 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

9252 Garden Grove Blvd Ste 19-1021

Garden Grove, CA 92844-1436

Phone: (781) 218-9550

Fax: (714) 242-3408

Street-level locationGet directions

More CA providers

Mailing address

9252 Garden Grove Blvd Ste 19-1021

Garden Grove, CA 92844-1436

Additional practice locations (11)

845 Central Ave Ste 107
Albany, NY 12206-1504
Phone: (518) 482-2455
315 S Manning Blvd
Albany, NY 12208-1707
Phone: (518) 525-1301
64 2nd Ave
Albany, NY 12202-1240
Phone: (518) 449-5170
47 New Scotland Ave Dept of Psychiatry
Albany, NY 12208-3412
Phone: (518) 262-5511
55 Mohawk St Ste 100
Cohoes, NY 12047-2600
Phone: (518) 235-1100
3 Mercycare Ln
Guilderland, NY 12084-3504
Phone: (518) 452-6700
636 New Loudon Rd
Latham, NY 12110-4002
Phone: (518) 783-5381
125 High Rock Ave
Saratoga Springs, NY 12866-2307
Phone: (518) 885-6884
2925 Hamburg St Ste 1
Schenectady, NY 12303-4349
Phone: (518) 357-2909

Enumerated: 2019-03-25
Last updated: 2023-09-26
Certified: 2023-09-26

Frequently asked questions

What is Usamah Simjee's NPI number?: Usamah Simjee's National Provider Identifier (NPI) is 1841750783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Usamah Simjee's specialty?: Usamah Simjee is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
Where is Usamah Simjee located?: Usamah Simjee's practice location on file with NPPES is 9252 Garden Grove Blvd Ste 19-1021, Garden Grove, CA 92844-1436.
What is Usamah Simjee's phone number?: The practice phone number listed in the NPPES registry for Usamah Simjee is (781) 218-9550.
Does Usamah Simjee accept Medicare?: Usamah Simjee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Usamah Simjee's NPI active?: Yes — Usamah Simjee's NPI (1841750783) is active in the NPPES registry as of the last update on 2023-09-26.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.