Marlyn Lorenzo, MD
NPI 1639107097 · Rheumatology Physician · Columbia, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marlyn Lorenzo, MD is a Rheumatology Physician provider in Columbia, MD (NPI 1639107097).
Provider details
- NPI number
- 1639107097
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DOO63393 (MD)
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
3,715 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 | 570 | $98 |
| 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 | 420 | $18 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 368 | $9 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 334 | $4 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 332 | $5 |
| Blood Test, Comprehensive Group of Blood Chemicals |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 207 | 61 |
| Prednisone | 136 | 40 |
| Meloxicam | 67 | 26 |
| Duloxetine Hcl | 64 | 18 |
| Hydroxychloroquine Sulfate | 60 | 22 |
| Tramadol Hcl | 51 | — |
| Gabapentin | 45 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,004 across 174 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
- 2006-06-28
- Last updated
- 2023-09-08
- Certified
- 2023-03-07
Frequently asked questions
- What is Marlyn Lorenzo's NPI number?
- Marlyn Lorenzo's National Provider Identifier (NPI) is 1639107097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlyn Lorenzo's specialty?
- Marlyn Lorenzo is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Marlyn Lorenzo located?
- Marlyn Lorenzo's practice location on file with NPPES is 6350 Stevens Forest Rd Ste 101, Columbia, MD 21046.
- What is Marlyn Lorenzo's phone number?
- The practice phone number listed in the NPPES registry for Marlyn Lorenzo is (410) 992-7440.
- Does Marlyn Lorenzo accept Medicare?
- Marlyn Lorenzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marlyn Lorenzo's NPI active?
- Yes — Marlyn Lorenzo's NPI (1639107097) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.