Doctor profile · Federal record

Dr. Monica Saenz-Castillo, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Raymondville, TX

  • NPI 1619990967
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
646 S Expressway 77
Raymondville, TX 785804239
(956) 690-4012
fax (956) 690-4026

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 9, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Texas #PA04040

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619990967. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
498
Distinct HCPCS
10
Medicare allowed
$20,720
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 81 52 $105
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 69 21 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 47 32 $74
36415 Insertion of needle into vein for collection of blood sample 46 31 $8
80053 Blood test, comprehensive group of blood chemicals 38 31 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 37 31 $8
80061 Blood test, lipids (cholesterol and triglycerides) 29 29 $13
96372 Injection of drug or substance under skin or into muscle 24 12 $12
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 21 21 $22
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 21 13 $1

In context: peer comparison

Among 1 peers in this city , average services per provider: 31. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$771
Transactions
52
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 24 $308.28
Amgen Inc. 11 $146.99
Abbott Laboratories 3 $74.52
Novo Nordisk Inc 3 $48.61
Astellas Pharma US Inc 2 $35.85
Bayer Healthcare Pharmaceuticals Inc. 2 $35.48
Otsuka America Pharmaceutical, Inc. 1 $29.27
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $27.75
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $18.18
Lundbeck LLC 1 $15.87
AstraZeneca Pharmaceuticals LP 1 $15.06
Exact Sciences Corporation 1 $14.80

By nature of payment

Food and Beverage
$771

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,645
Patients
686
Total drug cost
$517,375
Drug Type Claims Patients Total cost
Losartan Potassium Generic 299 89 $3,865
Levothyroxine Sodium Generic 280 60 $4,357
Atorvastatin Calcium Generic 235 72 $2,886
Rosuvastatin Calcium Generic 205 61 $2,638
Lisinopril Generic 191 47 $1,540
Metoprolol Succinate Generic 169 46 $2,567
Gabapentin Generic 166 39 $1,758
Ozempic (Semaglutide) Brand 164 37 $195,838
Amlodipine Besylate Generic 155 45 $942
Mounjaro (Tirzepatide) Brand 148 27 $194,357

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Monica Saenz-Castillo's medical specialty?
Dr. Monica Saenz-Castillo practices Medical Physician Assistant in Raymondville, TX.
Where does Dr. Monica Saenz-Castillo practice?
Dr. Monica Saenz-Castillo practices at 646 S Expressway 77, Raymondville, TX 785804239. Office phone: 9566904012.
What is Dr. Monica Saenz-Castillo's NPI?
Dr. Monica Saenz-Castillo's National Provider Identifier (NPI) is 1619990967, issued by NPPES.
Does Dr. Monica Saenz-Castillo accept Medicare assignment?
Yes. Dr. Monica Saenz-Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Monica Saenz-Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.