Lynn Ludmer, M.D.
NPI 1568431526 · Rheumatology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Ludmer, M.D. is a Rheumatology Physician provider in Baltimore, MD (NPI 1568431526).
Provider details
- NPI number
- 1568431526
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0035272 (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
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
463 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 | 285 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 135 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 29 | $187 |
| 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 | 14 | $17 |
Typical Medicare-allowed amounts for these services range $17–$187 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 353 | 118 |
| Methotrexate Sodiumbrand: Methotrexate | 204 | 86 |
| Prednisone | 142 | 48 |
| Leflunomide | 71 | 25 |
| Adalimumabbrand: Humira(cf) Pen | 53 | — |
| Folic Acid | 51 | 16 |
| Colchicine | 45 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$75 across 4 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)
- 1220b E Joppa RdSuite 310Baltimore, MD 21286-5813Phone: (410) 494-1888Fax: (410) 494-1008
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2018-10-19
Frequently asked questions
- What is Lynn Ludmer's NPI number?
- Lynn Ludmer's National Provider Identifier (NPI) is 1568431526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Ludmer's specialty?
- Lynn Ludmer is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Ludmer located?
- Lynn Ludmer's practice location on file with NPPES is 301 St. Paul Place, Baltimore, MD 21202-2102.
- What is Lynn Ludmer's phone number?
- The practice phone number listed in the NPPES registry for Lynn Ludmer is (410) 332-9346.
- Does Lynn Ludmer accept Medicare?
- Lynn Ludmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Ludmer's NPI active?
- Yes — Lynn Ludmer's NPI (1568431526) is active in the NPPES registry as of the last update on 2018-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.