Mark Lorenze, M.D.
NPI 1336107176 · Orthopaedic Surgery Physician · Essex, CT
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lorenze, M.D. is a Orthopaedic Surgery Physician provider in Essex, CT (NPI 1336107176).
Provider details
- NPI number
- 1336107176
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36697 (CT)
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,047 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 230 | $95 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 207 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 103 | $134 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 86 | $175 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 64 | $37 |
| X-Ray of Knee, 3 Views73562 |
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 |
|---|---|---|
| Meloxicam | 133 | 47 |
| Tramadol Hcl | 82 | 75 |
| Oxycodone Hcl | 33 | 29 |
| Amoxicillin | 31 | 14 |
| Methylprednisolone | 30 | 27 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 14 | — |
| Ibuprofen | 12 | — |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 across 5 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 (1)
- 146 Samson Rock DrMadison, CT 06443-3018Phone: (203) 245-7447Fax: (860) 767-1146
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Mark Lorenze's NPI number?
- Mark Lorenze's National Provider Identifier (NPI) is 1336107176, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lorenze's specialty?
- Mark Lorenze is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lorenze located?
- Mark Lorenze's practice location on file with NPPES is 12 Bokum Rd, Essex, CT 06426-1500.
- What is Mark Lorenze's phone number?
- The practice phone number listed in the NPPES registry for Mark Lorenze is (860) 767-9053.
- Does Mark Lorenze accept Medicare?
- Mark Lorenze is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lorenze's NPI active?
- Yes — Mark Lorenze's NPI (1336107176) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.