Doctor profile · Federal record
Dr. Nathaniel Spencer, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Brooklyn, NY
- NPI 1710172689
- Accepts Medicare
- 20 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
965 48Th St, Dept of Emergency Medicine
Brooklyn, NY 112192919
(718) 283-6029 - Mailing address
-
320 31St St
Manhattan Beach, CA 902663973
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- August 9, 2012
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A112545
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710172689. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
530
Distinct HCPCS
4
Medicare allowed
$90,140
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 279 | 259 | $183 | |
99284 |
Emergency department visit with moderate level of medical decision making | 145 | 138 | $126 | |
99291 |
Critical care, first 30-74 minutes | 86 | 83 | $225 | |
99283 |
Emergency department visit with low level of medical decision making | 20 | 20 | $75 |
In context: peer comparison
Among 223 peers in this city , average services per provider: 74. This provider delivers 7.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
196
Patients
194
Total drug cost
$1,582
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 26 | $116 |
| Ibuprofen | Generic | 22 | 22 | $79 |
| Ondansetron Odt (Ondansetron) | Brand | 21 | 21 | $156 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 20 | 20 | $317 |
| Tramadol Hcl | Generic | 17 | 17 | $30 |
| Methylprednisolone | Generic | 16 | 16 | $140 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 15 | 15 | $442 |
| Azithromycin | Generic | 15 | 15 | $70 |
| Prednisone | Generic | 15 | 14 | $37 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 15 | 15 | $119 |
Frequently asked questions
What is Dr. Nathaniel Spencer's medical specialty?
Dr. Nathaniel Spencer practices Emergency Medicine Physician in Brooklyn, NY.
Where does Dr. Nathaniel Spencer practice?
Dr. Nathaniel Spencer practices at 965 48Th St, Brooklyn, NY 112192919. Office phone: 7182836029.
What is Dr. Nathaniel Spencer's NPI?
Dr. Nathaniel Spencer's National Provider Identifier (NPI) is 1710172689, issued by NPPES.
Does Dr. Nathaniel Spencer accept Medicare assignment?
Yes. Dr. Nathaniel Spencer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Spencer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.