Doctor profile · Federal record
Dr. Christian Gastelum, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Los Angeles, CA
- NPI 1285782268
- Accepts Medicare
- MIPS 67.3 / 100 · 2023
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1700 E Cesar E Chavez Ave Ste 3300
Los Angeles, CA 900332469
(323) 307-8900
fax (323) 881-8864 - Mailing address
-
Po Box 51741
Los Angeles, CA 900516041
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- December 29, 2011
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- California #A74589
- Medicaid
- CA #00A745890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285782268. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,367
Distinct HCPCS
10
Medicare allowed
$117,286
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 487 | 170 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 297 | 168 | $139 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 243 | 69 | $85 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 90 | 48 | $36 | |
96372 |
Injection of drug or substance under skin or into muscle | 87 | 16 | $16 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 73 | 59 | $197 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 34 | $94 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 21 | 21 | $183 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 17 | 16 | $79 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $139 |
In context: peer comparison
Among 31 peers in Los Angeles Endocrinology, Diabetes & Metabolism Physician, average services per provider: 219. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$40,046
Transactions
130
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 48 | $34,146.49 | |
| Abbott Laboratories | 27 | $4,426.93 | |
| Dexcom, INC. | 10 | $359.05 | |
| Amgen INC. | 16 | $268.24 | |
| Alexion Pharmaceuticals, INC. | 6 | $259.64 | |
| Sanofi-Aventis U.S. LLC | 6 | $142.42 | |
| Novartis Pharmaceuticals Corporation | 3 | $72.83 | |
| Tandem Diabetes Care, INC. | 3 | $53.39 | |
| Stryker Corporation | 1 | $45.38 | |
| Medtronic, INC. | 2 | $43.69 | |
| Ascensia Diabetes Care US INC. | 2 | $43.52 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $42.45 | |
| Ibsa Pharma INC. | 2 | $41.07 | |
| Neurocrine Biosciences, INC. | 1 | $38.14 | |
| Averitas Pharma INC. | 1 | $33.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,074
Patients
520
Total drug cost
$1,343,648
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 427 | 103 | $8,224 |
| Ozempic (Semaglutide) | Brand | 375 | 78 | $523,552 |
| Mounjaro (Tirzepatide) | Brand | 260 | 46 | $310,724 |
| Synthroid (Levothyroxine Sodium) | Brand | 148 | 39 | $14,920 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 137 | 37 | $2,703 |
| Metformin Hcl | Generic | 132 | 38 | $1,978 |
| Jardiance (Empagliflozin) | Brand | 107 | 26 | $124,886 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 93 | 22 | $99,939 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 86 | 34 | $8,780 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 60 | 19 | $37,516 |
Hospital affiliations
Frequently asked questions
What is Dr. Christian Gastelum's medical specialty?
Dr. Christian Gastelum practices Endocrinology, Diabetes & Metabolism Physician in Los Angeles, CA.
Where does Dr. Christian Gastelum practice?
Dr. Christian Gastelum practices at 1700 E Cesar E Chavez Ave Ste 3300, Los Angeles, CA 900332469. Office phone: 3233078900.
What is Dr. Christian Gastelum's NPI?
Dr. Christian Gastelum's National Provider Identifier (NPI) is 1285782268, issued by NPPES.
Does Dr. Christian Gastelum accept Medicare assignment?
Yes. Dr. Christian Gastelum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Gastelum commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.