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MARIANNE SOMMERVILLE MD
NPI 1457403818
Hospitalist in Berkeley, CA

Active since January 17, 2007PECOS Enrolled
75/100
CMS Quality Rating
2450 ASHBY AVE RM 3040, BERKELEY, CA 94705(510) 204-3977(510) 204-5429 Get Directions Write a Review

NPPES record last updated: September 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Marianne Sommerville Md NPPES

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

MARIANNE SOMMERVILLE MD (NPI 1457403818) is an individual hospitalist provider in Berkeley, California, licensed in California (G58224) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1457403818
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameMARIANNE SOMMERVILLECredential: MD
Location Address2450 ASHBY AVE RM 3040Berkeley, CA 94705-2067
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 204-3977 · Fax (510) 204-5429
Phone(510) 204-3977
Fax(510) 204-5429
Sole ProprietorNo
Enumeration DateJanuary 17, 2007
Last NPPES UpdateSeptember 9, 2020
NPPES CertifiedSeptember 9, 2020
✔ NPI 1457403818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · G58224
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License G58224 (CA)
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License 270429 (NY)
2450 ASHBY AVE RM 3040, Berkeley, CA 94705
Open in Google Maps ↗

Secondary Practice Location 1

Location 1550 1st Ave, Labor & Delivery, 8 WestNew York, NY 10016-6402 · Phone (858) 212-2945

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of NC.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marianne Sommerville 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 94705 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
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.

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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

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.

Pneumatic compressor, segmental home model without calibrated gradient pressure E0651
DME-Other DME · category DE000N
2 suppliers19 claims19 services$870.17 avg. paid by Medicare
Segmental pneumatic appliance for use with pneumatic compressor, full leg E0667
DME-Other DME · category DE000N
2 suppliers19 claims38 services$309.22 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 4

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

DIANA NEMIROVSKY CNM
Advanced Practice Midwife
2450 ASHBY AVE RM 3040
BERKELEY, CA 94705
Alameda County (510) 204-3977
DIANE MARIA SCHNEIDER SPEECHLEY
Obstetrics & Gynecology
2450 ASHBY AVE RM 3040
BERKELEY, CA 94705
Alameda County (510) 204-3977
MICHELLE ANN MILLER MD
Hospitalist
2450 ASHBY AVE RM 3040
BERKELEY, CA 94705
Alameda County (510) 204-3977
SONYA MARIANA JUBB NMW
Midwife
2450 ASHBY AVE RM 3040
BERKELEY, CA 94705
Alameda County (510) 204-3977

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 Marianne Sommerville's NPI number?

The NPI number for Marianne Sommerville is 1457403818. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Marianne Sommerville located?

Marianne Sommerville practices at 2450 Ashby Ave Rm 3040, Berkeley, CA 94705. The listed phone number is (510) 204-3977.

What is Marianne Sommerville's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Marianne Sommerville enrolled in Medicare?

Yes. Marianne Sommerville is registered in the Medicare PECOS enrollment system.

What insurance does Marianne Sommerville accept?

Health plans from AmeriHealth Caritas Next and Blue Cross and Blue Shield of NC list Marianne Sommerville as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marianne Sommerville was last updated on September 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.