Gregory Crosby, PA-C
NPI 1861873937 · Medical Physician Assistant · Titusville, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Crosby, PA-C is a Medical Physician Assistant provider in Titusville, FL (NPI 1861873937).
Provider details
- NPI number
- 1861873937
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA9108760 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
233 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $75 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 44 | $92 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 31 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 24 | $35 |
| Automated Urinalysis Test81003 | 16 | $2 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 95 | 90 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 35 | 32 |
| Methylprednisolone | 25 | 25 |
| Cephalexin | 21 | 20 |
| Ciprofloxacin Hcl | 18 | 16 |
| Amoxicillin | 13 | 13 |
| Erythromycin Basebrand: Erythromycin | 12 | — |
| Diclofenac Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-15
- Last updated
- 2015-06-15
Frequently asked questions
- What is Gregory Crosby's NPI number?
- Gregory Crosby's National Provider Identifier (NPI) is 1861873937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Crosby's specialty?
- Gregory Crosby is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Crosby located?
- Gregory Crosby's practice location on file with NPPES is 951 N Washington Ave, Titusville, FL 32796-2163.
- What is Gregory Crosby's phone number?
- The practice phone number listed in the NPPES registry for Gregory Crosby is (321) 268-6111.
- Does Gregory Crosby accept Medicare?
- Gregory Crosby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Crosby's NPI active?
- Yes — Gregory Crosby's NPI (1861873937) is active in the NPPES registry as of the last update on 2015-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.