Gregory Grubb, D.O.
NPI 1417977125 · Family Medicine Physician · Estero, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Grubb, D.O. is a Family Medicine Physician provider in Estero, FL (NPI 1417977125).
Provider details
- NPI number
- 1417977125
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS13529 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
640 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 183 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $129 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 102 | $62 |
| Automated Urinalysis Test81003 | 71 | $2 |
| X-Ray of Chest, 2 Views71046 | 21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 121 | 119 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 32 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 29 | 28 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 25 |
| Cephalexin | 24 | 22 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 21 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2024-10-17
- Certified
- 2024-10-17
Frequently asked questions
- What is Gregory Grubb's NPI number?
- Gregory Grubb's National Provider Identifier (NPI) is 1417977125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grubb's specialty?
- Gregory Grubb is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Grubb located?
- Gregory Grubb's practice location on file with NPPES is 3501 Health Center Blvd Ste 2180, Estero, FL 34135-8133.
- What is Gregory Grubb's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grubb is (239) 343-0260.
- Does Gregory Grubb accept Medicare?
- Gregory Grubb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Grubb's NPI active?
- Yes — Gregory Grubb's NPI (1417977125) is active in the NPPES registry as of the last update on 2024-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.