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Obstetrics/Gynecology

Karen L. Wang, MD

Sees patients in Monterey, CA · California

Summary

Dr. Karen L. Wang, MD is an OB-GYN at 23845 Holman Hwy, Suite 227, Monterey, CA 93940. Phone: (831) 582-2100. Accepts Medicare assignment. In 2024, Karen L. Wang had 58 Original Medicare patients and 102 services. NPI 1083978498. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 23845 Holman Hwy, Suite 227, Monterey, CA 93940 · Directions
  • Phone: (831) 582‑2100
  • Medicare: Accepts Medicare assignment
  • Group practice: Montage Medical Group
  • Medical school: University Of Maryland School Of Medicine · graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen L. Wang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Karen L. Wang accept Medicare assignment?
Yes. Medicare's clinician data says Karen L. Wang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Karen L. Wang see?
In 2024, CMS data shows 58 Original Medicare patients and 102 services for Karen L. Wang. This counts Original Medicare only and measures volume, not quality.
What is Karen L. Wang's NPI number?
1083978498. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Karen L. Wang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients58
Services billed to Medicare102
Different services or procedures15
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol71%
  • High blood pressure47%
  • Arthritis38%
  • Osteoporosis28%
  • Anxiety24%
  • Depression21%

Practice locations

Addresses where Karen L. Wang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karen L. Wang as a member of this group (CMS data updated October 2, 2026).

  • Montage Medical Group127 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Monterey

Clinicians with the same Medicare primary specialty in Monterey, CA — not a recommendation.

All OB-GYNs in Monterey →

Other clinicians in Montage Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083978498
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians