Doctor profile · Federal record
Dr. Nathan Alyesh
Internal Medicine Physician (CMS: Internal Medicine) · Tarzana, CA
- NPI 1417362856
- Accepts Medicare
- 14 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
18321 Clark St
Tarzana, CA 913563501
(818) 881-0800 - Mailing address
-
Po Box 16041
Encino, CA 914166041
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- May 9, 2022
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A146154
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417362856. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
535
Distinct HCPCS
6
Medicare allowed
$65,981
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 222 | 185 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 171 | 168 | $173 | |
99239 |
Hospital discharge day management, more than 30 minutes | 63 | 63 | $115 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $130 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 24 | 21 | $193 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 20 | 20 | $119 |
In context: peer comparison
Among 15 peers in Tarzana Internal Medicine Physician, average services per provider: 180. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
321
Patients
180
Total drug cost
$14,781
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 44 | 12 | $385 |
| Pantoprazole Sodium | Generic | 33 | 33 | $517 |
| Metoprolol Succinate | Generic | 27 | 16 | $412 |
| Prednisone | Generic | 27 | 23 | $111 |
| Heparin Sodium (Heparin Sodium,Porcine) | Brand | 23 | 0 | $986 |
| Atorvastatin Calcium | Generic | 21 | 21 | $189 |
| Cefdinir | Generic | 19 | 19 | $386 |
| Levothyroxine Sodium | Generic | 19 | 0 | $200 |
| Tramadol Hcl | Generic | 18 | 0 | $92 |
| Furosemide | Generic | 17 | 16 | $79 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathan Alyesh's medical specialty?
Dr. Nathan Alyesh practices Internal Medicine Physician in Tarzana, CA.
Where does Dr. Nathan Alyesh practice?
Dr. Nathan Alyesh practices at 18321 Clark St, Tarzana, CA 913563501. Office phone: 8188810800.
What is Dr. Nathan Alyesh's NPI?
Dr. Nathan Alyesh's National Provider Identifier (NPI) is 1417362856, issued by NPPES.
Does Dr. Nathan Alyesh accept Medicare assignment?
Yes. Dr. Nathan Alyesh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Alyesh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.