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JOHNTIN MEDICAL GROUP INC
NPI 1336261031
Preferred Provider Organization in Rowland Heights, CA

Active since April 04, 2007CLIA 05D0867147 · Waiver
18397 COLIMA RD, ROWLAND HEIGHTS, CA 91748(626) 913-1888(626) 913-1999 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Johntin Medical Group Inc NPPES

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

JOHNTIN MEDICAL GROUP INC (NPI 1336261031) is a healthcare organization registered as a preferred provider organization in Rowland Heights, California and active in the NPI registry since April 2007. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Tin Yung, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1336261031
Entity TypeOrganization
Primary Taxonomy305R00000X
Legal Business NameJOHNTIN MEDICAL GROUP INC
Location Address18397 COLIMA RDRowland Heights, CA 91748-2749
Mailing Address18397 Colima RdRowland Heights, CA 91748-2749 · (626) 913-1888 · Fax (626) 913-1999
Phone(626) 913-1888
Fax(626) 913-1999
Organization SubpartNo
Authorized OfficialTin YungMedical Director · (626) 913-1888
Enumeration DateApril 4, 2007
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1336261031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreferred Provider OrganizationManaged Care Organizations
Taxonomy Code305R00000X
License✔ Licensed in CA · G61730
Definition
A group of physicians and/or hospitals who contract with an employer to provide services to their employees. In a PPO, the patient may got to the physician of his/her choice, even if that physician does not participate in the PPO, but the patient receives care at a lower benefit level.
18397 COLIMA RD, Rowland Heights, CA 91748
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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 05D0867147

Johntin Medical Group Inc · Rowland Heights, CA
Active · expires Aug 31, 2026
CLIA Number05D0867147
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorTin Y. Yung MD
Laboratory Phone(626) 913-1888
Laboratory LocationJohntin Medical Group Inc1722 Desire Avenue, Ste 202, Rowland Heights, CA 91748
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

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

IET INDUSTRY INC
Pharmacy (Community/Retail Pharmacy)
18397 COLIMA RD
ROWLAND HEIGHTS, CA 91748
Los Angeles County (626) 581-8555
JIAXIN TAN PHARMD
Pharmacist
18397 COLIMA RD
ROWLAND HEIGHTS, CA 91748
Los Angeles County (626) 581-8555
IET INDUSTRY, INC.
Pharmacy (Community/Retail Pharmacy)
18397 COLIMA RD
ROWLAND HEIGHTS, CA 91748
Los Angeles County (626) 581-8555

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 Johntin Medical Group Inc's NPI number?

The NPI number for Johntin Medical Group Inc is 1336261031. It was assigned to this organization in the NPPES registry on April 4, 2007.

Where is Johntin Medical Group Inc located?

Johntin Medical Group Inc is located at 18397 Colima Rd, Rowland Heights, CA 91748. The listed phone number is (626) 913-1888.

What is Johntin Medical Group Inc's specialty?

The primary specialty registered for this NPI is Preferred Provider Organization with taxonomy code 305R00000X.

Does Johntin Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0867147) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Johntin Medical Group Inc was last updated on July 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.