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CAROLYN TIERNAN MD
NPI 1215947981
Emergency Medicine in Oakland, CA

Active since August 08, 2006PECOS EnrolledAccepts Medicare Assignment
2107 LIVINGSTON ST, SUITE A, OAKLAND, CA 94606(510) 436-9000(510) 436-9013 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Carolyn Tiernan Md NPPES

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

CAROLYN TIERNAN MD (NPI 1215947981) is an individual emergency medicine provider in Oakland, California, licensed in California (G40571) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1978).

NPPES Registry Identity

NPI1215947981
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCAROLYN TIERNANCredential: MD
Location Address2107 LIVINGSTON ST, SUITE AOakland, CA 94606-5218
Mailing Address2107 Livingston St, Suite AOakland, CA 94606-5218 · (510) 436-9000 · Fax (510) 436-9013
Phone(510) 436-9000
Fax(510) 436-9013
Sole ProprietorYes
Medical School CMSStanford University School Of MedicineGraduated 1978
Enumeration DateAugust 8, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1215947981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G40571
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2107 LIVINGSTON ST, Oakland, CA 94606
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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 and accepts Medicare assignment

Carolyn Tiernan Md 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 ID7517029812
PECOS Enrollment IDI20081220000150
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 94606 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 11

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

MICHAEL PHILLIPS MD
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
MICHAEL DILLON M.D.
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
MARK S BERENSON M.D.
Family Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9001
KENNETH P. MOSES MD
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
JAMES DAVEY M.D.
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
KEVIN STARR MD
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
AUNDREA WILSON M.D.
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000
RAYMOND LORENZATO M.D.
Emergency Medicine
2107 LIVINGSTON ST, SUITE A
OAKLAND, CA 94606
Alameda County (510) 436-9000

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 Carolyn Tiernan's NPI number?

The NPI number for Carolyn Tiernan is 1215947981. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is Carolyn Tiernan located?

Carolyn Tiernan practices at 2107 Livingston St Suite A, Oakland, CA 94606. The listed phone number is (510) 436-9000.

What is Carolyn Tiernan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Carolyn Tiernan enrolled in Medicare?

Yes. Carolyn Tiernan 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.

When was this NPI record last updated?

The NPPES record for Carolyn Tiernan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.