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MAREN LIV PEDERSEN MD
NPI 1417021163
Internal Medicine in Palo Alto, CA

Active since November 17, 2006PECOS Enrolled
211 QUARRY RD, STE 203 MC5993, PALO ALTO, CA 94304(650) 325-6778 Get Directions Write a Review

NPPES record last updated: March 27, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maren Liv Pedersen Md NPPES

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

MAREN LIV PEDERSEN MD (NPI 1417021163) is an individual internal medicine provider in Palo Alto, California, licensed in California (G43586) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1979).

NPPES Registry Identity

NPI1417021163
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMAREN LIV PEDERSENCredential: MD
Location Address211 QUARRY RD, STE 203 MC5993Palo Alto, CA 94304-1416
Mailing Address211 Quarry Rd, Ste 203 Mc5993Palo Alto, CA 94304-1416 · (650) 325-6778
Phone(650) 325-6778
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1979
Enumeration DateNovember 17, 2006
Last NPPES UpdateMarch 27, 2013
✔ NPI 1417021163 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 · G43586
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.
211 QUARRY RD, Palo Alto, CA 94304
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Other Identifiers 1

Medicare UPINBA822CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maren Liv Pedersen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274437652
PECOS Enrollment IDI20081217000417
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.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
111 services60 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
91 services69 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
64 services64 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
63 services42 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services29 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
22 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

DR. IAN J NELLIGAN M.D.
Family Medicine
211 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 498-5409
SEE LOR PHARMD
Pharmacist
211 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 326-2300
DR. ELIZABETH YOSHIKO KOEHLER MD
Internal Medicine
211 QUARRY RD, SUITE 305
PALO ALTO, CA 94304
Santa Clara County (650) 723-6028
ELIZABETH R GREYBER MD
Internal Medicine
211 QUARRY RD, MC 5989
PALO ALTO, CA 94304
Santa Clara County (650) 736-5211
STUART MARK SCHLISSERMAN MD
Internal Medicine
211 QUARRY RD, STE 203 MC5993
PALO ALTO, CA 94304
Santa Clara County (650) 325-6778
SILVIA TEE M.D.
Internal Medicine
211 QUARRY RD, SUITE 402
PALO ALTO, CA 94304
Santa Clara County (650) 725-5222
DR. NANCY MORIOKA-DOUGLAS M.D., M.P.H.
Family Medicine
211 QUARRY RD, , N 349
PALO ALTO, CA 94304
Santa Clara County (650) 723-6963
CARMEN L LI PHARMD, CDCES
Pharmacist (Ambulatory Care)
211 QUARRY RD
PALO ALTO, CA 94304
Santa Clara County (650) 736-3641

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 Maren Pedersen's NPI number?

The NPI number for Maren Pedersen is 1417021163. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Maren Pedersen located?

Maren Pedersen practices at 211 Quarry Rd Ste 203 Mc5993, Palo Alto, CA 94304. The listed phone number is (650) 325-6778.

What is Maren Pedersen's specialty?

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

Is Maren Pedersen enrolled in Medicare?

Yes. Maren Pedersen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maren Pedersen was last updated on March 27, 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.