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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARK LIN MD
NPI 1528050754
Internal Medicine in Bakersfield, CA

Active since August 15, 2005PECOS Enrolled
4580 CALIFORNIA AVE, BAKERSFIELD, CA 93309(661) 327-4411 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Lin Md NPPES

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

DR. MARK LIN MD (NPI 1528050754) is an individual internal medicine provider in Bakersfield, California, licensed in California (A75404) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528050754
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK LINCredential: MD
Location Address4580 CALIFORNIA AVEBakersfield, CA 93309-1104
Mailing Address4580 California AveBakersfield, CA 93309-1104 · (661) 327-4411
Phone(661) 327-4411
Sole ProprietorNo
Enumeration DateAugust 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1528050754 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 · A75404
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.
4580 CALIFORNIA AVE, Bakersfield, CA 93309
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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. Mark Lin Md 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 93309 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
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$104.09 typical visit price
range $19.34 – $145.64
Typical copayment $26.02 (range $4.83 – $36.41)
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.

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.

BAKERSFIELD FAMILY MEDICAL GROUP INC
Clinic/Center (Multi-Specialty)
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
JENNY SHUK-CHING YU FNP
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 846-4540
STACEY ELIZABETH MANOHARA RN
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
MOHAMMED SIDDIQUI M.B.B.S
Hospitalist
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
SHELBY ROSS NP-C
Nurse Practitioner
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
DR. LUIS MARTINEZ JR. D.O.
Internal Medicine
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
DON ANTHONY TRAN M.D.
Family Medicine
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411
DR. JIANCHENG SUN M.D.
Physician Assistant
4580 CALIFORNIA AVE
BAKERSFIELD, CA 93309
Kern County (661) 327-4411

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 Mark Lin's NPI number?

The NPI number for Mark Lin is 1528050754. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Mark Lin located?

Mark Lin practices at 4580 California Ave, Bakersfield, CA 93309. The listed phone number is (661) 327-4411.

What is Mark Lin's specialty?

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

Is Mark Lin enrolled in Medicare?

Yes. Mark Lin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Lin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.