Doctor profile · Federal record
Dr. Maximilian Oshalim, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Washington, DC
- NPI 1407932015
- Accepts Medicare
- 23 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1499 Massachusetts Ave Nw, Apt 303
Washington, DC 200052869
(347) 351-7901
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- September 1, 2010
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Virginia #0101240955 · District of Columbia #MD036241
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407932015. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
182
Distinct HCPCS
5
Medicare allowed
$16,645
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 24 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 19 | $102 | |
36415 |
Insertion of needle into vein for collection of blood sample | 37 | 25 | $8 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 20 | 19 | $17 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 15 | 15 | $145 |
In context: peer comparison
Among 219 peers in this city , average services per provider: 102. This provider delivers 1.8× the peer median.Open Payments
Industry payments received
All-time total
$720
Transactions
30
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 15 | $321.75 | |
| ViiV Healthcare Company | 5 | $106.99 | |
| MERZ NORTH AMERICA, INC. | 1 | $102.00 | |
| Exact Sciences Corporation | 2 | $51.79 | |
| Lilly USA, LLC | 2 | $46.25 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $40.15 | |
| Novo Nordisk Inc | 2 | $34.61 | |
| PFIZER INC. | 1 | $16.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
170
Patients
0
Total drug cost
$9,058
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Alprazolam | Generic | 38 | 0 | $66 |
| Lisinopril | Generic | 21 | 0 | $326 |
| Testosterone Cypionate | Generic | 18 | 0 | $936 |
| Hydrochlorothiazide | Generic | 16 | 0 | $66 |
| Rosuvastatin Calcium | Generic | 16 | 0 | $140 |
| Levothyroxine Sodium | Generic | 14 | 0 | $251 |
| Metoprolol Succinate | Generic | 13 | 0 | $27 |
| Lansoprazole | Generic | 12 | 0 | $1,237 |
| Fenofibrate (Fenofibrate Nanocrystallized) | Brand | 11 | 0 | $260 |
| Xarelto (Rivaroxaban) | Brand | 11 | 0 | $5,749 |
Frequently asked questions
What is Dr. Maximilian Oshalim's medical specialty?
Dr. Maximilian Oshalim practices Internal Medicine Physician in Washington, DC.
Where does Dr. Maximilian Oshalim practice?
Dr. Maximilian Oshalim practices at 1499 Massachusetts Ave Nw, Washington, DC 200052869. Office phone: 3473517901.
What is Dr. Maximilian Oshalim's NPI?
Dr. Maximilian Oshalim's National Provider Identifier (NPI) is 1407932015, issued by NPPES.
Does Dr. Maximilian Oshalim accept Medicare assignment?
Yes. Dr. Maximilian Oshalim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maximilian Oshalim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.