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DR. TEH SHAN LIANG M.D.
NPI 1255340535
Internal Medicine in La Mesa, CA

Active since August 05, 2006PECOS Enrolled
73.62/100
CMS Quality Rating
5525 GROSSMONT CENTER DR, LA MESA, CA 91942(858) 499-2600(619) 644-6809 Get Directions Write a Review

NPPES record last updated: June 24, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Teh Shan Liang M.d. NPPES

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

DR. TEH SHAN LIANG M.D. (NPI 1255340535) is an individual internal medicine provider in La Mesa, California, licensed in California (A61596) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255340535
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. TEH SHAN LIANGCredential: M.D.
Location Address5525 GROSSMONT CENTER DRLa Mesa, CA 91942-3009
Mailing Address5525 Grossmont Center DrLa Mesa, CA 91942-3009 · (858) 499-2600 · Fax (619) 644-6809
Phone(858) 499-2600
Fax(619) 644-6809
Sole ProprietorNo
Enumeration DateAugust 5, 2006
Last NPPES UpdateJune 24, 2013
✔ NPI 1255340535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A61596
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5525 GROSSMONT CENTER DR, La Mesa, CA 91942
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Other Identifiers 2

Medicare ID-Type UnspecifiedWA61596ACA
Medicare UPINI18167CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Teh Shan Liang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

73.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.56
Improvement Activities40
Cost58.69

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers25 claims49 services$4.76 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers11 claims11 services$57.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. ASHKAN ABEDINI MD
Family Medicine
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 499-6899
SHARP HEALTHCARE
Pharmacy (Community/Retail Pharmacy)
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 644-6650
DR. JOHNATHAN S. HALPERIN M.D.
Physical Medicine & Rehabilitation
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 644-6826
LISA LEW GABHART M.D.
Pediatrics
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 499-2600
JAMES WILLIAMS RPH
Pharmacist
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 644-6650
JULIA A. CAPUTO P.A.
Physician Assistant
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 499-2706
LI-WEN JEN M.D.
Pediatrics
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 499-2600
JOHN M. GOLDENRING M.D.
Pediatrics
5525 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 499-2600

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 Teh Liang's NPI number?

The NPI number for Teh Liang is 1255340535. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Teh Liang located?

Teh Liang practices at 5525 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (858) 499-2600.

What is Teh Liang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Teh Liang enrolled in Medicare?

Yes. Teh Liang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Teh Liang was last updated on June 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.