Doctor profile · Federal record

Dr. Ramon Gerena, MD

General Practice Physician (CMS: General Practice) · Toa Baja, PR

  • NPI 1427111053
  • Accepts Medicare
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Jr4 Clizzie Graham 7Th Secc, Urb Levittown
Toa Baja, PR 00949
(787) 261-0740
fax (787) 784-4246
Mailing address
Po Box 52327, Levittown Station
Toa Baja, PR 009492327

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
October 17, 2012
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
208D00000X — NUCC code
State license (1)
Puerto Rico #5403

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427111053. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
1
Medicare allowed
$4,223
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 47 24 $90

In context: peer comparison

Among 4 peers in this city , average services per provider: 43. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PBG PUERTO RICO LLC 2 $46.72
AstraZeneca Pharmaceuticals LP 1 $23.18

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,513
Patients
2,706
Total drug cost
$196,493
Drug Type Claims Patients Total cost
Synthroid (Levothyroxine Sodium) Brand 1,035 224 $81,954
Gabapentin Generic 861 233 $12,458
Simvastatin Generic 808 299 $8,227
Losartan Potassium Generic 728 246 $18,092
Clonazepam Generic 672 155 $4,707
Diclofenac Potassium Generic 572 275 $23,456
Omeprazole Generic 541 138 $3,970
Metformin Hcl Generic 521 173 $5,723
Atorvastatin Calcium Generic 516 203 $9,441
Tamsulosin Hcl Generic 486 132 $6,579

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramon Gerena's medical specialty?
Dr. Ramon Gerena practices General Practice Physician in Toa Baja, PR.
Where does Dr. Ramon Gerena practice?
Dr. Ramon Gerena practices at Jr4 Clizzie Graham 7Th Secc, Toa Baja, PR 00949. Office phone: 7872610740.
What is Dr. Ramon Gerena's NPI?
Dr. Ramon Gerena's National Provider Identifier (NPI) is 1427111053, issued by NPPES.
Does Dr. Ramon Gerena accept Medicare assignment?
Yes. Dr. Ramon Gerena accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramon Gerena commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.