SHANON WALKO (DO) – Internal Medicine Physician, NPI 1316987498
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
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Provider Addresses for SHANON WALKO (DO)
South Waverly Road, Holland, Allegan County, Michigan, 49423, United States
HOLLAND, MI 494237906
Phone: (616) 355-3896
Type: Mailing
3235, North Wellness Drive, Holland Charter Township, Ottawa County, Michigan, 49424, United States
#120B
HOLLAND, MI 494247264
Phone: (616) 399-9522
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: 2005-05-09
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 |
|---|---|---|---|---|
| I20050509000978 | I | Internal Medicine | MI | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 98 | 62 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 87 | 56 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 87 | 87 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 37 | 32 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 18 | 16 | $0 |
Insurance plans in this area (ZIP 49423)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MI | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | MI | |
| Internal Medicine | MI | |
| Nurse Practitioner | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| P S Y C H I A T R Y | MI | |
| Family Practice | MI | |
| - | MI |
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