John Grigg, MD
NPI 1265438352 · Internal Medicine Physician · Coral Springs, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grigg, MD is a Internal Medicine Physician provider in Coral Springs, FL (NPI 1265438352).
Provider details
- NPI number
- 1265438352
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME003158 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,287 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 510 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 438 | $92 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 378 | $9 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 368 | $57 |
| Urinalysis, Manual Test81002 | 221 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 219 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 93 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 222 | 62 |
| Atorvastatin Calcium | 169 | 52 |
| Levothyroxine Sodium | 157 | 36 |
| Losartan Potassium | 143 | 34 |
| Alprazolam | 138 | 23 |
| Azithromycin | 131 | 91 |
| Meloxicam | 122 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$626 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 3333 W Commercial Blvd Ste 110Fort Lauderdale, FL 33309-3407Phone: (754) 315-0660Fax: (561) 872-6773
- 11903 Southern Blvd Ste 108Royal Palm Beach, FL 33411-7644Phone: (561) 793-1475
Registry dates
- Enumerated
- 2005-06-23
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is John Grigg's NPI number?
- John Grigg's National Provider Identifier (NPI) is 1265438352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grigg's specialty?
- John Grigg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Grigg located?
- John Grigg's practice location on file with NPPES is 9750 Nw 33rd St, Coral Springs, FL 33065-4000.
- What is John Grigg's phone number?
- The practice phone number listed in the NPPES registry for John Grigg is (954) 755-2626.
- Does John Grigg accept Medicare?
- John Grigg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grigg's NPI active?
- Yes — John Grigg's NPI (1265438352) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.