Doctor profile · Federal record
Dr. Nicolas Casellas Castillo, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Juan, PR
- NPI 1770540304
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
Edif Chinea 655 Calle Pavia, Ste 302
San Juan, PR 009092218
(787) 726-8201 - Mailing address
-
Pavia Fernandez 655 Edificio Chinea, Ste 302
San Juan, PR 009092218
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- January 28, 2022
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Puerto Rico #8376
- Medicaid
- PR #038868800
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770540304. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
70
Distinct HCPCS
2
Medicare allowed
$5,163
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 33 | $89 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 21 | 21 | $39 |
In context: peer comparison
Among 14 peers in San Juan Obstetrics & Gynecology Physician, average services per provider: 33. This provider delivers 2.1× the peer median.Open Payments
Industry payments received
All-time total
$63
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Hologic Sales and Service, LLC | 1 | $62.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
187
Patients
50
Total drug cost
$13,145
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Progesterone (Progesterone, Micronized) | Brand | 67 | 12 | $2,153 |
| Estradiol | Generic | 63 | 17 | $1,941 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 21 | 21 | $253 |
| Premarin (Estrogens, Conjugated) | Brand | 13 | 0 | $5,816 |
| Prempro (Estrogen,Con/M-Progest Acet) | Brand | 12 | 0 | $2,864 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 11 | 0 | $117 |
Frequently asked questions
What is Dr. Nicolas Casellas Castillo's medical specialty?
Dr. Nicolas Casellas Castillo practices Obstetrics & Gynecology Physician in San Juan, PR.
Where does Dr. Nicolas Casellas Castillo practice?
Dr. Nicolas Casellas Castillo practices at Edif Chinea 655 Calle Pavia, San Juan, PR 009092218. Office phone: 7877268201.
What is Dr. Nicolas Casellas Castillo's NPI?
Dr. Nicolas Casellas Castillo's National Provider Identifier (NPI) is 1770540304, issued by NPPES.
Does Dr. Nicolas Casellas Castillo accept Medicare assignment?
Yes. Dr. Nicolas Casellas Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicolas Casellas Castillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.