Doctor profile · Federal record

Dr. Katrina Castillo, MD

Family Medicine Physician (CMS: Emergency Medicine) · Upper Marlboro, MD

  • NPI 1922419282
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1221 Mercantile Ln
Upper Marlboro, MD 207745374
(301) 618-5500
Mailing address
4203 Harrison St Nw
Washington, DC 200151943

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
June 30, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Maryland #D0089782

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922419282. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
2
Medicare allowed
$3,052
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $116
99213 Established patient office or other outpatient visit, 20-29 minutes 15 15 $80

In context: peer comparison

Among 3 peers in Upper Marlboro Family Medicine Physician, average services per provider: 22. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
120
Patients
119
Total drug cost
$1,199
Drug Type Claims Patients Total cost
Prednisone Generic 34 33 $245
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 29 $414
Doxycycline Monohydrate Generic 23 23 $224
Tramadol Hcl Generic 12 12 $69
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 11 11 $176
Ondansetron Odt (Ondansetron) Brand 11 11 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. Katrina Castillo's medical specialty?
Dr. Katrina Castillo practices Family Medicine Physician in Upper Marlboro, MD.
Where does Dr. Katrina Castillo practice?
Dr. Katrina Castillo practices at 1221 Mercantile Ln, Upper Marlboro, MD 207745374. Office phone: 3016185500.
What is Dr. Katrina Castillo's NPI?
Dr. Katrina Castillo's National Provider Identifier (NPI) is 1922419282, issued by NPPES.
Does Dr. Katrina Castillo accept Medicare assignment?
Yes. Dr. Katrina Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katrina Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.