Karen Koe, MD
NPI 1780648709 · Obstetrics & Gynecology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Koe, MD is a Obstetrics & Gynecology Physician provider in Los Alamitos, CA (NPI 1780648709).
Provider details
- NPI number
- 1780648709
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G60896 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
668 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 229 | $139 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 174 | $42 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 113 | $50 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 103 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $179 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 75 | 42 |
| Progesterone, Micronizedbrand: Progesterone | 47 | 15 |
| Estrogens, Conjugatedbrand: Premarin | 39 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 33 | 13 |
| Valacyclovir Hclbrand: Valacyclovir | 29 | 14 |
| Alendronate Sodium | 24 | — |
| Nystatin | 23 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$779 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-14
- Last updated
- 2025-02-13
- Certified
- 2025-02-13
Frequently asked questions
- What is Karen Koe's NPI number?
- Karen Koe's National Provider Identifier (NPI) is 1780648709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Koe's specialty?
- Karen Koe is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Koe located?
- Karen Koe's practice location on file with NPPES is 10861 Cherry St Ste 308, Los Alamitos, CA 90720-5403.
- What is Karen Koe's phone number?
- The practice phone number listed in the NPPES registry for Karen Koe is (562) 595-1961.
- Does Karen Koe accept Medicare?
- Karen Koe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Koe's NPI active?
- Yes — Karen Koe's NPI (1780648709) is active in the NPPES registry as of the last update on 2025-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.