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HARRISON HASANUDDIN, D.O., INC.
NPI 1386323038
Family Medicine - Sleep Medicine in Monterey Park, CA

Active since July 11, 2023CLIA 05D2322079 · Waiver
420 N GARFIELD AVE STE 203, MONTEREY PARK, CA 91754(626) 763-1899(626) 547-4438 Get Directions Write a Review

NPPES record last updated: June 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 22, 2025, Nov 5, 2024, Jul 11, 2023 (3 updates tracked since 2023).

About Harrison Hasanuddin, D.o., Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HARRISON HASANUDDIN, D.O., INC. (NPI 1386323038) is a healthcare organization registered as a sleep medicine in Monterey Park, California and active in the NPI registry since July 2023. The organization holds a CLIA Waiver certificate valid through April 14, 2027 and lists Harrison Hasanuddin, President, as its authorized official.

NPPES Registry Identity

NPI1386323038
Entity TypeOrganization
Primary Taxonomy207QS1201X
Legal Business NameHARRISON HASANUDDIN, D.O., INC.
Location Address420 N GARFIELD AVE STE 203Monterey Park, CA 91754-1206
Mailing Address420 N Garfield Ave Ste 203Monterey Park, CA 91754-1206 · (626) 763-1899 · Fax (626) 547-4438
Phone(626) 763-1899
Fax(626) 547-4438
Organization SubpartNo
Authorized OfficialHarrison HasanuddinPresident · (626) 763-1899
Enumeration DateJuly 11, 2023
Last NPPES UpdateJune 22, 20253 updates tracked since enumeration
NPPES CertifiedJune 22, 2025
✔ NPI 1386323038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS1201X
Definition
A Family Medicine Physician who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedFamily Medicine · Obesity MedicineTaxonomy 207QB0002X
420 N GARFIELD AVE STE 203, Monterey Park, CA 91754
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2322079

Harrison Hasanuddin, D O, Inc · Monterey Park, CA
Active · expires Apr 14, 2027
CLIA Number05D2322079
Laboratory TypePhysician Office
Certificate Effective DateApril 15, 2025
Certificate Expiration DateApril 14, 2027
Laboratory DirectorHarrison Hasanuddin
Laboratory Phone(626) 763-1899
Laboratory LocationHarrison Hasanuddin, D O, Inc420 North Garfield Avenue, Suite 203, Monterey Park, Ca 9, Monterey Park, CA 91754
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HARRISON HASANUDDIN D.O.
Family Medicine (Sleep Medicine)
420 N GARFIELD AVE STE 203
MONTEREY PARK, CA 91754
Los Angeles County (626) 763-1899

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 Harrison Hasanuddin, D.O., Inc.'s NPI number?

The NPI number for Harrison Hasanuddin, D.O., Inc. is 1386323038. It was assigned to this organization in the NPPES registry on July 11, 2023.

Where is Harrison Hasanuddin, D.O., Inc. located?

Harrison Hasanuddin, D.O., Inc. is located at 420 N Garfield Ave Ste 203, Monterey Park, CA 91754. The listed phone number is (626) 763-1899.

What is Harrison Hasanuddin, D.O., Inc.'s specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sleep Medicine, with taxonomy code 207QS1201X.

Does Harrison Hasanuddin, D.O., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2322079) is associated with this NPI, valid through April 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Harrison Hasanuddin, D.O., Inc. was last updated on June 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.