Physician Profile
Maria E. Zweig, M.D. is a specialist practicing in San Juan, PR. Maria trained at University Central del Caribe Escuela de Medicina, graduating in 1983. Medicare claims data shows Maria provided 411 services to 291 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, cervical or vaginal cancer screening; pelvic and clinical breast examination, and ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4 CALLE RVDO DOMINGO MARRERO
San Juan, PR 00925
411 services · 291 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
43 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
251 | More often than most peers in Specialist |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
78 | More often than most peers in Specialist |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
20 | As often as other peers in Specialist |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
19 | Less often than most peers in Specialist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maria E. Zweig is a specialist in San Juan, PR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Maria E. Zweig is listed at 4 Calle Rvdo Domingo Marrero, San Juan, PR 00925. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (787) 759-6901. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Maria E. Zweig's National Provider Identifier is 1356303549. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Maria E. Zweig attended University Central del Caribe Escuela de Medicina, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Maria E. Zweig has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maria E. Zweig performs imaging including ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Maria E. Zweig. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.