Gregory Climaco, MD
NPI 1316034143 · Family Medicine Physician · O'Fallon, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Climaco, MD is a Family Medicine Physician provider in O'Fallon, IL (NPI 1316034143).
Provider details
- NPI number
- 1316034143
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036116631 (IL)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,372 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 674 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 180 | $92 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 121 | $17 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 80 | $75 |
| Hemoglobin A1c Level83036 | 75 | $10 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 586 | 147 |
| Empagliflozinbrand: Jardiance | 333 | 73 |
| Lisinopril | 272 | 73 |
| Amlodipine Besylate | 214 | 55 |
| Levothyroxine Sodium | 208 | 45 |
| Omeprazole | 198 | 53 |
| Semaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,871 across 136 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
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2021-12-20
- Certified
- 2021-12-20
Frequently asked questions
- What is Gregory Climaco's NPI number?
- Gregory Climaco's National Provider Identifier (NPI) is 1316034143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Climaco's specialty?
- Gregory Climaco is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Climaco located?
- Gregory Climaco's practice location on file with NPPES is 1512 N Green Mount Rd, O'Fallon, IL 62269-1953.
- What is Gregory Climaco's phone number?
- The practice phone number listed in the NPPES registry for Gregory Climaco is (618) 624-5510.
- Does Gregory Climaco accept Medicare?
- Gregory Climaco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Climaco's NPI active?
- Yes — Gregory Climaco's NPI (1316034143) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.