Quick answers
- Does Marlyn Lorenzo accept Medicare assignment?
- Yes. Medicare's clinician data says Marlyn Lorenzo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marlyn Lorenzo see?
- In 2024, CMS data shows 335 Original Medicare patients and 80,755 services for Marlyn Lorenzo. This counts Original Medicare only and measures volume, not quality.
- What is Marlyn Lorenzo's NPI number?
- 1639107097. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marlyn Lorenzo, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 335 |
|---|---|
| Services billed to Medicare | 80,755 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)8,160 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)570 services
- 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's (G2211)420 services
- Insertion of needle into vein for collection of blood sample (36415)368 services
- Red blood cell sedimentation rate, to detect inflammation, non-automated (85651)334 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Osteoporosis43%
- Ischemic heart disease25%
- Diabetes23%
Practice locations
Addresses where Marlyn Lorenzo is enrolled with Medicare (CMS data updated October 2, 2026).
- 6350 Stevens Forest Rd, Suite 101Columbia, MD 21046 (410) 992‑7440
- 6410 Rockledge Dr, Suite 600Bethesda, MD 20817
Group practices
Medicare enrollment lists Marlyn Lorenzo as a member of these groups (CMS data updated October 2, 2026).
- Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
- Arthritis Care Specialists of Maryland, P.A.6 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Other clinicians in Suburban/Nrh Medical Rehabilitation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1639107097 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians