KAREN L WANG M.D.
NPI 1083978498
Obstetrics & Gynecology in Santa Cruz, CA

Q: What is Karen Wang's NPI number?

The NPI number for Karen Wang is 1083978498. It was assigned to this individual provider in the NPPES registry on June 29, 2012.

Q: What is Karen Wang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Wang was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.

Active since June 29, 2012PECOS EnrolledAccepts Medicare Assignment

96.5/100

CMS Quality Rating

1156 HIGH ST, SANTA CRUZ, CA 95064(831) 459-1740 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2026, Nov 27, 2018, Dec 4, 2017 and 1 more (4 updates tracked since 2016).

On this page

About Karen L Wang M.d. NPPES

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

KAREN L WANG M.D. (NPI 1083978498) is an individual obstetrics & gynecology provider in Santa Cruz, California, licensed in California (A150137) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Maryland School Of Medicine (2012).

NPPES Registry Identity

NPI1083978498

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameKAREN L WANGCredential: M.D.

Location Address1156 HIGH STSanta Cruz, CA 95064-1077

Mailing Address100 Wilson Rd Ste 100Monterey, CA 93940-7885 · (831) 242-8301

Phone(831) 459-1740

Sole ProprietorNo

Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2012

Enumeration DateJune 29, 2012

Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1083978498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CA · A150137✔ Licensed in NC · 2016-01794

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1156 HIGH ST, Santa Cruz, CA 95064

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Secondary Practice Locations 2

Location 123845 Holman Hwy Ste 227Monterey, CA 93940-5901 · Phone (831) 624-3579

Location 21505 Soquel Dr Ste 1Santa Cruz, CA 95065 · Phone (831) 465-5440 · Fax (831) 462-2017

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen L Wang M.d. 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 ID5193974566

PECOS Enrollment IDI20171214001624

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.

Medicare Billing Reassignment

Medicare enrollment records show Karen Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montage Medical Group

32 mi

Internal Medicine

275 THE CROSSROADS BLVD STE A
Carmel, CA 93923

Reassigned Medicare billing, California enrollment
155 clinicians in this Medicare group

NPI 1770710709 (831) 658-3639

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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 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.

42 services23 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

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.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95064 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

$141.77 typical visit price

range $62.97 – $186.69

Typical copayment $35.44 (range $15.74 – $46.67)

Most-billed visit code 99204

Established Patient

$77.84 typical visit price

range $21.02 – $153.16

Typical copayment $19.46 (range $5.25 – $38.29)

Most-billed visit code 99213

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.

96.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.34

Promoting Interoperability

100

Improvement Activities

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.

NAOMI ELIZABETH SILBER MD

Specialist

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2211

DR. LESLIE M ELKIND M.D.

Family Medicine

1156 HIGH ST, UCSC STUDENT HEALTH CENTER
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2869

MS. SHEILA HANNAH SIEGEL PA-C

Physician Assistant

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2211

ALLYSON AILEEN GARCIA MD

Pediatrics

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2211

CHRISTINA RINCON M.D.

Family Medicine

1156 HIGH ST, UCSC STUDENT HEALTH SERVICES
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2780

DR. CHRISTINE MARGARET BUCHANAN MD

Pediatrics

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2211

GINA PARISI ATC

Specialist/Technologist (Athletic Trainer)

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 502-8479

HEATHER BLYTHE DELAGI N.P.

Nurse Practitioner (Family)

1156 HIGH ST
SANTA CRUZ, CA 95064

Santa Cruz County (831) 459-2211

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 Wang's NPI number?

The NPI number for Karen Wang is 1083978498. It was assigned to this individual provider in the NPPES registry on June 29, 2012.

Where is Karen Wang located?

Karen Wang practices at 1156 High St, Santa Cruz, CA 95064. The listed phone number is (831) 459-1740.

What is Karen Wang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Karen Wang enrolled in Medicare?

Yes. Karen Wang 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.

Which organization bills Medicare for Karen Wang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Wang reassigns Medicare benefits to Montage Medical Group (Carmel, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Karen Wang was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.