GRANT MCWILLIAMS (D.O.) – Obstetrics & Gynecology Physician, NPI 1598729204
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
929 OBSTETRICS/GYNECOLOGY in MO
Provider Addresses for GRANT MCWILLIAMS (D.O.)
211 SAINT FRANCIS DR
CAPE GIRARDEAU, MO 637035049
Phone: (573) 339-1166
Fax: (573) 339-7166
Type: Location
North Mount Auburn Road, Cape Girardeau, Cape Girardeau County, Missouri, 63701, United States
CAPE GIRARDEAU, MO 637034911
Phone: (573) 339-1166
Fax: (573) 339-7166
Type: Mailing
PO BOX 801143
KANSAS CITY, MO 641801143
Phone: (573) 331-3000
Fax: (573) 331-5073
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $56.
Total Amount is formed as General ($56) + Research ($0) + Ownership ($0) = $56.
Last reported payment date: 2024-10-01 • Largest payer in this snapshot: Ethicon US, LLC ($56).
Total Amount
$56
General + Research + Ownership
Payments
1
Total payment records
General Amount
$56
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ethicon US, LLC | $56 |
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: 2012-07-03
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 |
|---|---|---|---|---|
| I20120703000212 | I | Obstetrics/Gynecology | MO | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 77 | 63 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 33 | 32 | $0 |
| 76830 | Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 22 | 22 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 19 | 15 | $0 |
Insurance plans in this area (ZIP 63703)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | MO | 81002 | Urinalysis, manual test | 39 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MO | |
| - | MO | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| Nurse Practitioner | MO | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | MO | |
| General Surgery | MO | |
| Nurse Practitioner | MO | |
| - | MO | |
| - | MO |
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