Doctor profile · Federal record
Dr. Ronald Castillo, APRN
Nurse Practitioner · Family Nurse Practitioner · New Haven, CT
- NPI 1174871719
- Accepts Medicare
- MIPS 84.3 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20 York St, Cb2041
New Haven, CT 065103220
(203) 688-4748
fax (203) 688-4740
Credentials & registration
- NPI registered
- August 2012 — 14 yrs on file
- Profile last updated
- December 11, 2013
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Connecticut #5048
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174871719. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
293
Distinct HCPCS
4
Medicare allowed
$22,313
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 167 | 104 | $70 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 60 | 39 | $106 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 43 | 16 | $44 | |
99239 |
Hospital discharge day management, more than 30 minutes | 23 | 23 | $102 |
In context: peer comparison
Among 19 peers in this city , average services per provider: 66. This provider delivers 4.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
18
Patients
0
Total drug cost
$88
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 18 | 0 | $88 |
Frequently asked questions
What is Dr. Ronald Castillo's medical specialty?
Dr. Ronald Castillo practices Nurse Practitioner in New Haven, CT.
Where does Dr. Ronald Castillo practice?
Dr. Ronald Castillo practices at 20 York St, New Haven, CT 065103220. Office phone: 2036884748.
What is Dr. Ronald Castillo's NPI?
Dr. Ronald Castillo's National Provider Identifier (NPI) is 1174871719, issued by NPPES.
Does Dr. Ronald Castillo accept Medicare assignment?
Yes. Dr. Ronald Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Castillo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.