Internal Medicine, Nephrology · Boston, MA
NPI
1518044080
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
4
Medicare group memberships
Hospitals
5
Hospital affiliations
Mgh, 55 Fruit St
Boston, MA, 02114
Phone (617) 724-8967
Groups this clinician bills Medicare through
Medicare paid, 2024
$83K
1,054 services
Medicare patients, 2024
311
Average age 65
Drug cost, 2024
$245K
2,088 prescriptions
Company payments, 2025
$0
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Hannah M Gilligan was code 99232 (hospital e&m - subsequent), 258 times for 87 patients. In total Hannah M Gilligan billed 1,054 services in 14 codes, and Medicare paid $83K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-08-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 258 | 87 | $64.58 | $17K |
| 99215 Office E&M - Established | Facility | 177 | 89 | $111.02 | $20K |
| 99214 Office E&M - Established | Office | 96 | 71 | $90.77 | $8,714 |
| 99214 Office E&M - Established | Facility | 80 | 62 | $71.22 | $5,697 |
| 99231 Hospital E&M - Subsequent | Facility | 65 | 36 | $41.10 | $2,671 |
| 99215 Office E&M - Established | Office | 58 | 38 | $131.04 | $7,600 |
| 99223 Hospital E&M - Initial | Facility | 53 | 50 | $143.86 | $7,625 |
| 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 | Office | 52 | 41 | $13.49 | $702 |
| 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 | 46 | 37 | $13.82 | $636 |
| 90935 Hemodialysis | Facility | 46 | 20 | $58.71 | $2,701 |
| 99233 Hospital E&M - Subsequent | Facility | 28 | 20 | $94.73 | $2,652 |
| 99222 Hospital E&M - Initial | Facility | 22 | 21 | $103.76 | $2,283 |
| 99443 Telephone Services | Facility | 18 | 14 | $81.33 | $1,464 |
By year: 2022 $65K for 849 services; 2023 $76K for 888 services; 2024 $83K for 1,054 services.
Medicare prescription drug claims, 2024
In 2024, the drug Hannah M Gilligan prescribed most often to Medicare patients was Prednisone, with 350 prescriptions and refills. In total Hannah M Gilligan wrote 2,088 Medicare prescriptions that cost $245K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 350 | 685 | 84 | $2,367 |
| Amlodipine Besylate Generic | 173 | 445 | 59 | $1,665 |
| Tacrolimus Generic | 145 | 354 | 32 | $17K |
| Carvedilol Generic | 87 | 209 | 27 | $1,278 |
| Atorvastatin Calcium Generic | 86 | 206 | 23 | $773 |
| Omeprazole Generic | 77 | 159 | 19 | $804 |
| Lisinopril Generic | 76 | 203 | 24 | $315 |
| Metoprolol Succinate Generic | 74 | 184 | 24 | $1,304 |
| Tamsulosin Hcl Generic | 65 | 152 | 19 | $1,170 |
| Cinacalcet Hcl Generic | 55 | 75 | Under 11 | $22K |
| Famotidine Generic | 54 | 123 | 16 | $683 |
| Losartan Potassium Generic | 49 | 141 | 19 | $901 |
| Mycophenolate Mofetil Generic | 49 | 119 | 14 | $6,446 |
| Labetalol Hcl Generic | 48 | 138 | 17 | $2,541 |
| Mycophenolic Acid Mycophenolate Sodium | 45 | 109 | 15 | $5,325 |
Brand drugs: - claims; generic drugs: 1,977 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Hannah M Gilligan $0 (- in general payments such as food, travel and fees) from 1 company.
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.