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DR. JONATHAN NEI-KIM TAM M.D.
NPI 1013942952
Obstetrics & Gynecology in Pasadena, CA

Active since July 11, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0866859 · Microscopy
105 N HILL AVE STE 203, PASADENA, CA 91106(626) 449-2800(626) 795-5145 Get Directions Write a Review

NPPES record last updated: March 3, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jonathan Nei-kim Tam M.d. NPPES

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

DR. JONATHAN NEI-KIM TAM M.D. (NPI 1013942952) is an individual obstetrics & gynecology provider in Pasadena, California, licensed in California (G66009) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through January 3, 2028, and is a graduate of University Of Southern California Keck School Of Medicine (1984).

NPPES Registry Identity

NPI1013942952
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. JONATHAN NEI-KIM TAMCredential: M.D.
Location Address105 N HILL AVE STE 203Pasadena, CA 91106-1934
Mailing Address105 N Hill Ave Ste 203Pasadena, CA 91106-1934 · (626) 449-2800 · Fax (626) 795-5145
Phone(626) 449-2800
Fax(626) 795-5145
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1984
Enumeration DateJuly 11, 2006
Last NPPES UpdateMarch 3, 2020
NPPES CertifiedMarch 3, 2020
✔ NPI 1013942952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G66009
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
105 N HILL AVE STE 203, Pasadena, CA 91106
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Other Identifiers 2

Medicaid00G660094CA
Medicaid00G660091CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jonathan Nei-kim Tam 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.

PECOS PAC ID3870624240
PECOS Enrollment IDI20100728001087
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 for Provider-Performed Microscopy Procedures (PPMP) 05D0866859

Jonathan N Tam MD · Pasadena, CA
Active · expires Jan 3, 2028
CLIA Number05D0866859
Laboratory TypePhysician Office
Certificate Effective DateJanuary 4, 2026
Certificate Expiration DateJanuary 3, 2028
Laboratory DirectorJohnathan N. Tam, MD
Laboratory Phone(626) 449-2800
Laboratory LocationJonathan N Tam MD105 N Hill Ave Ste 203, Pasadena, CA 91106
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

JONATHAN TAM MD INC
Obstetrics & Gynecology
105 N HILL AVE STE 203
PASADENA, CA 91106
Los Angeles County (626) 449-3263

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 Jonathan Tam's NPI number?

The NPI number for Jonathan Tam is 1013942952. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Jonathan Tam located?

Jonathan Tam practices at 105 N Hill Ave Ste 203, Pasadena, CA 91106. The listed phone number is (626) 449-2800.

What is Jonathan Tam's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Jonathan Tam enrolled in Medicare?

Yes. Jonathan Tam 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.

Does Jonathan Tam hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0866859) is associated with this NPI, valid through January 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Jonathan Tam was last updated on March 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.