Internal Medicine, Rheumatology · Baltimore, MD
NPI
1811949704
Since 2006
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
600 N Wolfe St
Baltimore, MD, 21287
Phone (410) 955-3052
Groups this clinician bills Medicare through
Medicare paid, 2024
$17K
235 services
Medicare patients, 2024
88
Average age 69
Drug cost, 2024
$5.3M
662 prescriptions
Company payments, 2025
$17K
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Lisa Christopher was code 99215 (office e&m - established), 81 times for 52 patients. In total Lisa Christopher billed 235 services in 14 codes, and Medicare paid $17K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-03-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 81 | 52 | $110.30 | $8,935 |
| G2211 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 | Facility | 71 | 49 | $12.82 | $910 |
| 99223 Hospital E&M - Initial | Facility | 17 | 17 | $136.46 | $2,320 |
| 99215 Office E&M - Established | Office | 16 | 11 | $132.22 | $2,115 |
By year: 2022 $14K for 150 services; 2023 $14K for 132 services; 2024 $17K for 235 services.
Medicare prescription drug claims, 2024
In 2024, the drug Lisa Christopher prescribed most often to Medicare patients was Hizentra (Immun Glob G(Igg)/Pro/Iga 0-50), with 86 prescriptions and refills. In total Lisa Christopher wrote 662 Medicare prescriptions that cost $5.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Hizentra Immun Glob G(Igg)/Pro/Iga 0-50 | 86 | 91 | Under 11 | $1.3M |
| Gammaked Immune Globul G/Gly/Iga Avg 46 | 61 | 61 | Under 11 | $834K |
| Octagam Immun Globg(Igg)/Malt/Iga Ov50 | 58 | 59 | Under 11 | $1.1M |
| Prednisone Generic | 56 | 112 | 15 | $729 |
| Gamunex-C Immune Globul G/Gly/Iga Avg 46 | 32 | 32 | Under 11 | $238K |
| Mycophenolate Mofetil Generic | 31 | 91 | 11 | $9,292 |
| Gammagard Liquid Immun Glob G(Igg)/Gly/Iga Ov50 | 28 | 28 | Under 11 | $417K |
| Methotrexate Methotrexate Sodium | 23 | 60 | Under 11 | $798 |
| Privigen Immun Glob G(Igg)/Pro/Iga 0-50 | 23 | 38 | Under 11 | $376K |
| Gammaplex Immun Glob G(Igg)/Gly/Iga 0-50 | 22 | 24 | Under 11 | $600K |
| Sodium Chloride 0.9 % Sodium Chloride | 20 | 27 | Under 11 | $101 |
| Diphenhydramine Hcl Generic | 17 | 17 | Under 11 | $53.68 |
| Celecoxib Generic | 17 | 31 | Under 11 | $624 |
| Hydroxychloroquine Sulfate Generic | 13 | 39 | Under 11 | $639 |
| Methylprednisolone Generic | 13 | 17 | Under 11 | $349 |
Brand drugs: 393 claims; generic drugs: 269 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Lisa Christopher $17K ($17K in general payments such as food, travel and fees) from 7 companies. The largest payer was E.R. Squibb & Sons, L.L.C. with $8,456.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.