Doctor profile · Federal record
Dr. Rebecca Walker, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Knoxville, TN
- NPI 1871642090
- MIPS 87.3 / 100 · 2023
- 29 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
9314 Parkwest Blvd., Suite 100
Knoxville, TN 379234303
(865) 690-7677
fax (865) 690-7627 - Mailing address
-
9314 Parkwest Blvd, Suite 100
Knoxville, TN 379234303
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- October 29, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Tennessee #MD0000029405
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871642090. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
647
Distinct HCPCS
8
Medicare allowed
$29,977
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 169 | 91 | $80 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 120 | 120 | $39 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 112 | 112 | $35 | |
81002 |
Urinalysis, manual test | 101 | 80 | $3 | |
82270 |
Stool analysis for blood to screen for colon tumors | 54 | 54 | $4 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 39 | 36 | $102 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 34 | 34 | $97 | |
85018 |
Blood count, hemoglobin | 18 | 18 | $2 |
In context: peer comparison
Among 19 peers in Knoxville Obstetrics & Gynecology Physician, average services per provider: 35. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$475
Transactions
24
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 8 | $148.59 | |
| Sumitomo Pharma America, INC. | 4 | $80.37 | |
| Axonics, INC. | 2 | $57.16 | |
| Novo Nordisk INC | 3 | $52.86 | |
| Sage Therapeutics, INC. | 2 | $32.16 | |
| Daiichi Sankyo INC. | 1 | $28.71 | |
| Organon LLC | 1 | $25.29 | |
| Pfizer INC. | 1 | $19.40 | |
| Lilly USA, LLC | 1 | $15.37 | |
| Hologic Sales and Service, LLC | 1 | $14.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
89
Patients
23
Total drug cost
$15,335
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 65 | 23 | $2,547 |
| Premarin (Estrogens, Conjugated) | Brand | 24 | 0 | $12,789 |
Hospital affiliations
Frequently asked questions
What is Dr. Rebecca Walker's medical specialty?
Dr. Rebecca Walker practices Obstetrics & Gynecology Physician in Knoxville, TN.
Where does Dr. Rebecca Walker practice?
Dr. Rebecca Walker practices at 9314 Parkwest Blvd., Knoxville, TN 379234303. Office phone: 8656907677.
What is Dr. Rebecca Walker's NPI?
Dr. Rebecca Walker's National Provider Identifier (NPI) is 1871642090, issued by NPPES.
Does Dr. Rebecca Walker accept Medicare assignment?
Dr. Rebecca Walker does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Rebecca Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.