Doctor profile · Federal record

Dr. Milciades Mercedes Maldonado, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Guaynabo, PR

  • NPI 1366435000
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
140 Ave Las Cumbres, Ste 208B
Guaynabo, PR 009695527
(787) 360-8641
fax (787) 708-7788
Mailing address
405 Juan B Rodriguez, Mirador del Parque 1101-2
San Juan, PR 00918

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 8, 2021
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Puerto Rico #16910

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366435000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
4
Medicare allowed
$14,642
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 13 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 52 18 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 16 $100
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 14 $172

In context: peer comparison

Among 4 peers in this city , average services per provider: 46. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$412
Transactions
15
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $196.24
AstraZeneca Pharmaceuticals LP 9 $186.26
PBG PUERTO RICO LLC 1 $29.17

By nature of payment

Food and Beverage
$412

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,959
Patients
1,897
Total drug cost
$136,731
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 1,000 164 $4,473
Gabapentin Generic 936 143 $7,460
Atorvastatin Calcium Generic 935 266 $13,443
Famotidine Generic 918 170 $6,720
Synthroid (Levothyroxine Sodium) Brand 770 112 $47,037
Metoprolol Succinate Generic 568 101 $6,983
Losartan Potassium Generic 523 157 $9,815
Levothyroxine Sodium Generic 486 91 $7,452
Metformin Hcl Generic 453 126 $3,381
Simvastatin Generic 434 128 $3,232

Frequently asked questions

Auto-generated from federal data
What is Dr. Milciades Mercedes Maldonado's medical specialty?
Dr. Milciades Mercedes Maldonado practices Internal Medicine Physician in Guaynabo, PR.
Where does Dr. Milciades Mercedes Maldonado practice?
Dr. Milciades Mercedes Maldonado practices at 140 Ave Las Cumbres, Guaynabo, PR 009695527. Office phone: 7873608641.
What is Dr. Milciades Mercedes Maldonado's NPI?
Dr. Milciades Mercedes Maldonado's National Provider Identifier (NPI) is 1366435000, issued by NPPES.
Does Dr. Milciades Mercedes Maldonado accept Medicare assignment?
Yes. Dr. Milciades Mercedes Maldonado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Milciades Mercedes Maldonado commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.