MARISSA NICOLE WESTERLAND MD
NPI 1174137160
Family Medicine in Rohnert Park, CA

Q: What is Marissa Westerland's NPI number?

The NPI number for Marissa Westerland is 1174137160. It was assigned to this individual provider in the NPPES registry on September 7, 2020.

Q: What is Marissa Westerland's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since September 07, 2020PECOS EnrolledAccepts Medicare Assignment

5900 STATE FARM DR, ROHNERT PARK, CA 94928(707) 206-3044 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Marissa Nicole Westerland Md NPPES

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

MARISSA NICOLE WESTERLAND MD (NPI 1174137160) is an individual family medicine provider in Rohnert Park, California, licensed in California (191052) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2018).

NPPES Registry Identity

NPI1174137160

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMARISSA NICOLE WESTERLANDCredential: MD

Location Address5900 STATE FARM DRRohnert Park, CA 94928-2149

Mailing Address5900 State Farm DrRohnert Park, CA 94928-2149

Phone(707) 206-3044

Sole ProprietorNo

Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2018

Enumeration DateSeptember 7, 2020

Last NPPES UpdateSeptember 24, 2025

NPPES CertifiedSeptember 24, 2025

✔ NPI 1174137160 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 191052

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

5900 STATE FARM DR, Rohnert Park, CA 94928

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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

Marissa Nicole Westerland 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 ID648715821

PECOS Enrollment IDI20240711003175

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 94928 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

$96.16 typical visit price

range $63.04 – $187.01

Typical copayment $24.04 (range $15.76 – $46.75)

Most-billed visit code 99203

Established Patient

$109.88 typical visit price

range $21.02 – $153.40

Typical copayment $27.47 (range $5.25 – $38.35)

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.

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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.

MICHAEL D. MAGGIONCALDA DO

Family Medicine