DR. ALISON R WALKER (M.D.) – Hematology & Oncology Physician, NPI 1043224819
Hematology & Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
599 HEMATOLOGY/ONCOLOGY in OH
Provider Addresses for DR. ALISON R WALKER (M.D.)
700, Ackerman Road, Columbus, Sharon, Franklin, Ohio, 43202, United States
SUITE 260
COLUMBUS, OH 432021559
Phone: (614) 947-3700
Type: Mailing
460 W 10th Ave Fl 5
Columbus, OH 432101240
Phone: (614) 293-3316
Fax: (614) 293-6050
Type: Location
181 Taylor Ave
Columbus, OH 432031779
Phone: (614) 293-9441
Fax: (614) 293-6420
Type: Location
PO BOX 198441
ATLANTA, GA 303848441
Phone:
Type: Mailing
12902 USF MAGNOLIA DR
TAMPA, FL 336129416
Phone: (813) 745-4673
Type: Location
Starling Loving Hall, 320, West Tenth Avenue, University District District 4, Columbus, Franklin, Ohio, 43210, United States
B324 STARLING LOVING HALL
COLUMBUS, OH 432101280
Phone: (614) 293-3316
Fax: (614) 293-6050
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-06-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220627002063 | I | Hematology/Oncology | FL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 92 | 44 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 72 | 48 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 51 | 51 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 43202)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| - | FL | |
| H E M A T O L O G Y/ O N C O L O G Y | GA | |
| - | FL | |
| - | FL | |
| - | FL | |
| - | FL |
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