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MRS. REBECCA ALLISON WALKER M.D.
NPI 1871642090
Obstetrics & Gynecology in Knoxville, TN

Active since January 09, 2007PECOS Enrolled
87.26/100
CMS Quality Rating
9314 PARKWEST BLVD., SUITE 100, KNOXVILLE, TN 37923(865) 690-7677(865) 690-7627 Get Directions Write a Review

NPPES record last updated: October 29, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Rebecca Allison Walker M.d. NPPES

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

MRS. REBECCA ALLISON WALKER M.D. (NPI 1871642090) is an individual obstetrics & gynecology provider in Knoxville, Tennessee, licensed in Tennessee (MD0000029405) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Parkwest Medical Center, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1997).

NPPES Registry Identity

NPI1871642090
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMRS. REBECCA ALLISON WALKERCredential: M.D.
Location Address9314 PARKWEST BLVD., SUITE 100Knoxville, TN 37923-4303
Mailing Address9314 Parkwest Blvd, Suite 100Knoxville, TN 37923-4303 · (865) 690-7677 · Fax (865) 690-7627
Phone(865) 690-7677
Fax(865) 690-7627
Sole ProprietorYes
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1997
Enumeration DateJanuary 9, 2007
Last NPPES UpdateOctober 29, 2025
NPPES CertifiedOctober 29, 2025
✔ NPI 1871642090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TN · MD0000029405
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.
Also ListedSpecialistTaxonomy 174400000X · License MD0000029405 (TN)
9314 PARKWEST BLVD., Knoxville, TN 37923
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Rebecca Allison Walker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739199076
PECOS Enrollment IDI20060504000014
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 8

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.

Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
132 services94 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.
112 services67 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.
97 services97 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
96 services96 patients
Stool analysis for blood to screen for colon tumors 82270
A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.
52 services52 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.
30 services25 patients

Hospital Affiliations CMS Care Compare

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

Parkwest Medical Center

Acute Care Hospitals · Knoxville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440173
Location9352 Park West BlvdKnoxville, TN 37923 · Knox County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37923 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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.

87.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.97
Promoting Interoperability85.91
Improvement Activities40

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
67%747 patients3/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
89%2,390 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
33%3,189 patients2/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 96% · 2,963 patients
Patients tobacco: 5% · 125 patients
88%2,962 patients4/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH T BROCK N,P.
Nurse Practitioner (Women's Health)
9314 PARKWEST BLVD., SUITE 100
KNOXVILLE, TN 37923
Knox County (865) 531-5878
PARKWEST WOMEN'S SPECIALISTS, PLLC
Obstetrics & Gynecology
9314 PARKWEST BLVD., SUITE 100
KNOXVILLE, TN 37923
Knox County (865) 690-7677

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 Rebecca Walker's NPI number?

The NPI number for Rebecca Walker is 1871642090. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Rebecca Walker located?

Rebecca Walker practices at 9314 Parkwest Blvd. Suite 100, Knoxville, TN 37923. The listed phone number is (865) 690-7677.

What is Rebecca Walker's specialty?

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

Is Rebecca Walker enrolled in Medicare?

Yes. Rebecca Walker is registered in the Medicare PECOS enrollment system.

What insurance does Rebecca Walker accept?

Health plans from BlueCross BlueShield of Tennessee and Oscar Insurance Company list Rebecca 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 Rebecca Walker affiliated with any hospitals?

According to CMS data, Rebecca Walker is affiliated with Parkwest Medical Center.

When was this NPI record last updated?

The NPPES record for Rebecca Walker was last updated on October 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.