Doctor profile · Federal record
Dr. Cristy Martinez-Lopez, MD
Nephrology Physician (CMS: Nephrology) · Student in an Organized Health Care Education/Training Program · San Juan, PR
- NPI 1023262110
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
559 Calle Cuevillas, El Avellano 4A
San Juan, PR 009072535
(787) 643-6728 - Mailing address
-
559 Cuevillas, El Avellano 4A
San Juan, PR 00907
Credentials & registration
- NPI registered
- November 2008 — 18 yrs on file
- Profile last updated
- March 16, 2015
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Puerto Rico #18728 · Puerto Rico #27,235-R
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023262110. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
2
Medicare allowed
$7,190
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 46 | 20 | $117 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $128 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 98. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$318
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 4 | $166.80 | |
| ANI Pharmaceuticals, Inc. | 1 | $122.49 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $28.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,219
Patients
245
Total drug cost
$252,574
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Farxiga (Dapagliflozin Propanediol) | Brand | 214 | 48 | $137,401 |
| Sevelamer Carbonate | Generic | 106 | 18 | $23,691 |
| Atorvastatin Calcium | Generic | 103 | 25 | $947 |
| Allopurinol | Generic | 102 | 20 | $667 |
| Calcium Acetate | Generic | 97 | 19 | $10,336 |
| Famotidine | Generic | 93 | 27 | $1,164 |
| Losartan Potassium | Generic | 76 | 22 | $778 |
| Gabapentin | Generic | 62 | 14 | $363 |
| Lisinopril | Generic | 61 | 14 | $270 |
| Furosemide | Generic | 56 | 0 | $275 |
Frequently asked questions
What is Dr. Cristy Martinez-Lopez's medical specialty?
Dr. Cristy Martinez-Lopez practices Nephrology Physician in San Juan, PR.
Where does Dr. Cristy Martinez-Lopez practice?
Dr. Cristy Martinez-Lopez practices at 559 Calle Cuevillas, San Juan, PR 009072535. Office phone: 7876436728.
What is Dr. Cristy Martinez-Lopez's NPI?
Dr. Cristy Martinez-Lopez's National Provider Identifier (NPI) is 1023262110, issued by NPPES.
Does Dr. Cristy Martinez-Lopez accept Medicare assignment?
Yes. Dr. Cristy Martinez-Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cristy Martinez-Lopez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.