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KAREN E. WINTER DO
NPI 1740332972
Internal Medicine in Vallejo, CA

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: January 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karen E. Winter Do NPPES

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

KAREN E. WINTER DO (NPI 1740332972) is an individual internal medicine provider in Vallejo, California, licensed in California (20A9539) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1740332972
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKAREN E. WINTERCredential: DO
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(707) 651-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 17, 2007
Last NPPES UpdateJanuary 11, 2022
✔ NPI 1740332972 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 · 20A9539
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.
975 SERENO DR, Vallejo, CA 94589
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Other Names 1

Other Name (5)Karen Konzelman

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

Karen E. Winter Do 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 ID8820192677
PECOS Enrollment IDI20070403000608
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 94589 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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. ROBERTA YIWUN WANG M.D.
Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-5128
RIHONG ZHOU
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-2072
EVAN HIRSCHBEIN
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 339-2074
MS. JEAN BROADNAX LCSW
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4423
SEAN NISAM
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-4071
LI M. TSANG MD
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
DONN R. ERICKSON MD
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000
JOHN S. WOOD MD
Surgery
975 SERENO DR
VALLEJO, CA 94589
Napa County (707) 651-1000

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 Karen Winter's NPI number?

The NPI number for Karen Winter is 1740332972. It was assigned to this individual provider in the NPPES registry on January 17, 2007. The provider is also known as Karen Konzelman.

Where is Karen Winter located?

Karen Winter practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Karen Winter's specialty?

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

Is Karen Winter enrolled in Medicare?

Yes. Karen Winter 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 Karen Winter was last updated on January 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.