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KAREN WALKER M.D.
NPI 1417049677
Obstetrics & Gynecology - Gynecology in Ypsilanti, MI

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment
4936 W CLARK RD, SUITE 100, YPSILANTI, MI 48197(734) 434-6200(734) 434-7373 Get Directions Write a Review

NPPES record last updated: October 12, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Karen Walker M.d. NPPES

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

KAREN WALKER M.D. (NPI 1417049677) is an individual gynecology provider in Ypsilanti, Michigan, licensed in Michigan (4301050682) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and is a graduate of Northwestern University Feinberg Medical School (1977).

NPPES Registry Identity

NPI1417049677
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameKAREN WALKERCredential: M.D.
Location Address4936 W CLARK RD, SUITE 100Ypsilanti, MI 48197-0861
Mailing Address24 Frank Lloyd Wright Dr, Po Box 0446 Lobby JAnn Arbor, MI 48105-9484 · (734) 747-6766 · Fax (734) 222-3100
Phone(734) 434-6200
Fax(734) 434-7373
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1977
Enumeration DateSeptember 28, 2006
Last NPPES UpdateOctober 12, 2016
✔ NPI 1417049677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in MI · 4301050682
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
4936 W CLARK RD, Ypsilanti, MI 48197
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

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 Walker 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 ID8022037050
PECOS Enrollment IDI20051118000094
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.

Areas of Expertise CMS Part B claims 4

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 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.
122 services100 patients
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.
78 services60 patients
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
22 services18 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joe Mercy Hospital System Livonia

Acute Care Hospitals · Livonia, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230002
Location36475 Five Mile RoadLivonia, MI 48154 · Wayne County
Emergency services Birthing friendly

Saint Joseph Mercy Livingston Hospital

Acute Care Hospitals · Howell, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230069
Location620 Byron RdHowell, MI 48843 · Livingston County
Emergency services

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230259
Location775 S Main StChelsea, MI 48118 · Washtenaw County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
1 supplier11 claims1,320 services$1.75 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

SHARON O'LEARY M.D.
Obstetrics & Gynecology
4936 W CLARK RD, BUILDING D, SUITE 100
YPSILANTI, MI 48197
Washtenaw County (734) 434-6200
KATHLEEN DAVIS CNP
Nurse Practitioner (Pediatrics)
4936 W CLARK RD, SUITE 101
YPSILANTI, MI 48197
Washtenaw County (734) 434-3000
MARISSA DASILVA I CNP
Nurse Practitioner (Pediatrics)
4936 W CLARK RD, STE 101
YPSILANTI, MI 48197
Washtenaw County (734) 434-3000
IHA HEALTH SERVICES CORPORATION
Pediatrics
4936 W CLARK RD, SUITE 101
YPSILANTI, MI 48197
Washtenaw County (734) 434-3000
DR. TOANH POPP M.D.
Obstetrics & Gynecology
4936 W CLARK RD, BUILDING D, SUITE 100
YPSILANTI, MI 48197
Washtenaw County (734) 434-6200
MICHELLE HICKS CNP
Nurse Practitioner (Pediatrics)
4936 W CLARK RD, SUITE 101
YPSILANTI, MI 48197
Washtenaw County (734) 434-3000
AMY ALBERT CNP
Nurse Practitioner
4936 W CLARK RD, SUITE 101
YPSILANTI, MI 48197
Washtenaw County (734) 434-3000
CHRISTINE POISSON M.D.
Obstetrics & Gynecology
4936 W CLARK RD, SUITE 100
YPSILANTI, MI 48197
Washtenaw County (734) 434-6200

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 Walker's NPI number?

The NPI number for Karen Walker is 1417049677. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Karen Walker located?

Karen Walker practices at 4936 W Clark Rd Suite 100, Ypsilanti, MI 48197. The listed phone number is (734) 434-6200.

What is Karen Walker's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Karen Walker enrolled in Medicare?

Yes. Karen Walker 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.

What insurance does Karen Walker accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Karen Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Walker affiliated with any hospitals?

According to CMS data, Karen Walker is affiliated with St Joe Mercy Hospital System Livonia, Saint Joseph Mercy Livingston Hospital, Trinity Health Ann Arbor Hospital and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Karen Walker was last updated on October 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.