Karen Walker, M.D.
NPI 1417049677 · Gynecology Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Walker, M.D. is a Gynecology Physician provider in Ypsilanti, MI (NPI 1417049677).
Provider details
- NPI number
- 1417049677
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301050682 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
285 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 122 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $91 |
| Pelvic Exam99459 | 38 | $22 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 22 | $117 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 13 | $16 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast Examination |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 336 | 108 |
| Progesterone, Micronizedbrand: Progesterone | 82 | 23 |
| Clobetasol Propionate | 60 | 36 |
| Alendronate Sodium | 42 | 13 |
| Estradiolbrand: Yuvafem | 41 | 12 |
| Medroxyprogesterone Acetate | 38 | 11 |
| Estradiolbrand: Estradiol (twice Weekly) | 34 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2016-10-12
Frequently asked questions
- What is Karen Walker's NPI number?
- Karen Walker's National Provider Identifier (NPI) is 1417049677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Walker's specialty?
- Karen Walker is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Walker located?
- Karen Walker's practice location on file with NPPES is 4936 W Clark Rd, Ypsilanti, MI 48197-0861.
- What is Karen Walker's phone number?
- The practice phone number listed in the NPPES registry for Karen Walker is (734) 434-6200.
- Does Karen Walker accept Medicare?
- Karen Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Walker's NPI active?
- Yes — Karen Walker's NPI (1417049677) is active in the NPPES registry as of the last update on 2016-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.