Gregory Delorenzo, MD
NPI 1508812538 · Rheumatology Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Delorenzo, MD is a Rheumatology Physician provider in Cincinnati, OH (NPI 1508812538).
Provider details
- NPI number
- 1508812538
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35056885 (OH)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,163 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 | 740 | $111 |
| 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 | 555 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 337 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 291 | $14 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 106 | $58 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 1,457 | 353 |
| Hydroxychloroquine Sulfate | 933 | 240 |
| Prednisone | 478 | 185 |
| Allopurinol | 280 | 78 |
| Folic Acid | 181 | 43 |
| Meloxicam | 170 | 53 |
| Sulfasalazine | 121 | 29 |
| Colchicine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$157,602 across 462 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
- 2006-05-25
- Last updated
- 2010-01-06
Frequently asked questions
- What is Gregory Delorenzo's NPI number?
- Gregory Delorenzo's National Provider Identifier (NPI) is 1508812538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Delorenzo's specialty?
- Gregory Delorenzo is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Delorenzo located?
- Gregory Delorenzo's practice location on file with NPPES is 2001 Anderson Ferry Rd, Cincinnati, OH 45238-3325.
- What is Gregory Delorenzo's phone number?
- The practice phone number listed in the NPPES registry for Gregory Delorenzo is (513) 922-1200.
- Does Gregory Delorenzo accept Medicare?
- Gregory Delorenzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Delorenzo's NPI active?
- Yes — Gregory Delorenzo's NPI (1508812538) is active in the NPPES registry as of the last update on 2010-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.