Internal Medicine, Rheumatology · New York, NY
NPI
1730406737
Since 2010
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
535 E 70th St
New York, NY, 10021
Phone (212) 774-7016
Groups this clinician bills Medicare through
Medicare paid, 2024
$37K
588 services
Medicare patients, 2024
141
Average age 72
Drug cost, 2024
$4.5M
1,236 prescriptions
Company payments, 2025
$460
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David R Fernandez was code 99213 (office e&m - established), 119 times for 69 patients. In total David R Fernandez billed 588 services in 21 codes, and Medicare paid $37K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-04-01.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 119 | 69 | $74.93 | $8,917 |
| 99214 Office E&M - Established | Office | 80 | 62 | $106.15 | $8,492 |
| 99215 Office E&M - Established | Office | 53 | 41 | $154.33 | $8,179 |
| 99205 Office E&M - New | Office | 16 | 16 | $195.84 | $3,133 |
| 99204 Office E&M - New | Office | 13 | 13 | $148.60 | $1,932 |
By year: 2022 $29K for 583 services; 2023 $31K for 340 services; 2024 $37K for 588 services.
Medicare prescription drug claims, 2024
In 2024, the drug David R Fernandez prescribed most often to Medicare patients was Prednisone, with 117 prescriptions and refills. In total David R Fernandez wrote 1,236 Medicare prescriptions that cost $4.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisone Generic | 117 | 244 | 33 | $1,339 |
| Privigen Immun Glob G(Igg)/Pro/Iga 0-50 | 86 | 86 | Under 11 | $1.3M |
| Methylprednisolone Sodium Succ Methylprednisolone Sod Succ | 75 | 75 | Under 11 | $1,196 |
| Hydroxychloroquine Sulfate Generic | 69 | 136 | 19 | $2,299 |
| Gammaplex Immun Glob G(Igg)/Gly/Iga 0-50 | 62 | 63 | Under 11 | $1.3M |
| Gabapentin Generic | 54 | 69 | 15 | $857 |
| Gammaked Immune Globul G/Gly/Iga Avg 46 | 51 | 51 | Under 11 | $1.1M |
| Methylprednisolone Generic | 50 | 80 | 15 | $927 |
| Methotrexate Methotrexate Sodium | 46 | 103 | 15 | $1,714 |
| Mycophenolate Mofetil Generic | 30 | 60 | 12 | $16K |
| Sirolimus Generic | 27 | 33 | Under 11 | $12K |
| Duloxetine Hcl Generic | 26 | 40 | Under 11 | $440 |
| Diphenhydramine Hcl Generic | 21 | 21 | 13 | $114 |
| Mycophenolic Acid Mycophenolate Sodium | 19 | 37 | Under 11 | $9,163 |
| Xeljanz Xr Tofacitinib Citrate | 17 | 17 | Under 11 | $94K |
Brand drugs: - claims; generic drugs: 890 claims; opioid claims: 14.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David R Fernandez $460 ($185 in general payments such as food, travel and fees and $275 for research) from 4 companies. The largest payer was Argenx US, Inc. with $275.
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.