DR. JOHN T GRIGG (MD) – Internal Medicine Physician, NPI 1265438352
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
Provider Addresses for DR. JOHN T GRIGG (MD)
11903 Southern Blvd Ste 108
Royal Palm Beach, FL 334117644
Phone: (561) 793-1475
Type: Location
3333 W Commercial Blvd Ste 110
Fort Lauderdale, FL 333093407
Phone: (754) 315-0660
Fax: (561) 872-6773
Type: Location
9750, Northwest 33rd Street, Coral Springs, Broward County, Florida, 33065, United States
STE 113
CORAL SPRINGS, FL 330654000
Phone: (954) 755-2626
Fax: (954) 345-4375
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 26 Open Payments records for all available years, with a total value of $2,437.
Total Amount is formed as General ($2,437) + Research ($0) + Ownership ($0) = $2,437.
Last reported payment date: 2024-06-27 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,033).
Total Amount
$2,437
General + Research + Ownership
Payments
26
Total payment records
General Amount
$2,437
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-27
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2011-04-20
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 |
|---|---|---|---|---|
| I20110420000643 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 96372 | Injection of drug or substance under skin or into muscle | 520 | 121 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 455 | 144 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 439 | 175 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 383 | 139 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 358 | 101 | $0 |
Insurance plans in this area (ZIP 33411)
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Provider's Procedures
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