Doctor profile · Federal record
Dr. Alan Merin, MD
Nephrology Physician (CMS: Nephrology) · San Antonio, TX
- NPI 1366440547
- Accepts Medicare
- 50 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
1211 E Commerce St
San Antonio, TX 782053307
(210) 224-1079
fax (210) 281-0248 - Mailing address
-
Po Box 291169
San Antonio, TX 782291769
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Texas #F6041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1366440547. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
141
Distinct HCPCS
3
Medicare allowed
$19,641
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 77 | 17 | $151 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 50 | 13 | $114 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 11 | $167 |
In context: peer comparison
Among 47 peers in San Antonio Nephrology Physician, average services per provider: 133. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$792
Transactions
52
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 17 | $189.13 | |
| Pfizer INC. | 10 | $134.65 | |
| Bausch Health US, LLC | 5 | $100.77 | |
| Amgen INC. | 5 | $81.24 | |
| Alk-Abello, INC | 2 | $44.48 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $43.42 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $42.83 | |
| Novo Nordisk INC | 2 | $40.00 | |
| Shield Therapeutics INC | 2 | $29.00 | |
| Radius Health, INC. | 1 | $26.47 | |
| Abbott Laboratories | 1 | $22.11 | |
| Ibsa Pharma INC. | 1 | $21.51 | |
| Novartis Pharmaceuticals Corporation | 1 | $16.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,649
Patients
464
Total drug cost
$593,529
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 221 | 64 | $2,896 |
| Jardiance (Empagliflozin) | Brand | 203 | 47 | $228,517 |
| Losartan Potassium | Generic | 177 | 55 | $1,968 |
| Carvedilol | Generic | 156 | 38 | $1,021 |
| Ozempic (Semaglutide) | Brand | 137 | 30 | $194,267 |
| Rosuvastatin Calcium | Generic | 96 | 30 | $3,060 |
| Pantoprazole Sodium | Generic | 95 | 32 | $1,330 |
| Nabumetone | Generic | 87 | 21 | $1,117 |
| Pioglitazone Hcl | Generic | 83 | 26 | $1,731 |
| Mounjaro (Tirzepatide) | Brand | 82 | 13 | $106,529 |
Hospital affiliations
Frequently asked questions
What is Dr. Alan Merin's medical specialty?
Dr. Alan Merin practices Nephrology Physician in San Antonio, TX.
Where does Dr. Alan Merin practice?
Dr. Alan Merin practices at 1211 E Commerce St, San Antonio, TX 782053307. Office phone: 2102241079.
What is Dr. Alan Merin's NPI?
Dr. Alan Merin's National Provider Identifier (NPI) is 1366440547, issued by NPPES.
Does Dr. Alan Merin accept Medicare assignment?
Yes. Dr. Alan Merin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Merin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.