Maria Zweig, M.D.
Specialist · San Juan, PR
Maria Zweig, M.D. is a specialist with a practice address in San Juan, Puerto Rico, and NPI 1356303549, issued on Apr 4, 2006. Check the license with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Zweig
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 4 Calle Rvdo Domingo Marrero, San Juan, PR 00925
- Phone
- (787) 759-6901
- Enumerated
- Apr 4, 2006
- Entity
- Type 1 · individual
Also registered at 4 Calle Rvdo Domingo Marrero
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gustavo Vazquez, MDGeneral Practice Physician1275176844
Verify Maria Zweig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
42% fewer Medicare Part D claims than the average specialist in 2024
879 Medicare Part D claims for 241 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol212 claims
- Progesterone125 claims
- Alendronate Sodium82 claims
- Metronidazole72 claims
- Tolterodine Tartrate Er48 claims
- Risedronate Sodium41 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $150.46
2 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 9,482 providers of this specialty with any payment received $4,756.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
190 specialist records list a San Juan practice address
They are 190 of the 8,960 NPPES records with a San Juan practice address, and 709 specialist records in Puerto Rico.
All 190 in San Juan → All 709 in Puerto Rico → Every provider in San Juan →
Other specialist records in Puerto Rico
- Alberto Abreu, M.D.Ponce, PR1306821830
- Arlene Abreu Rivera, MDCaguas, PR1801090261
- Alberto Abreu-Rivera, M.D. FAMILY PHYSICIAArecibo, PR1760422380
- Carmen Acantilado, M.D.Bayamon, PR1528044104
- Frank Acevedo, M.D.Cayey, PR1780659631
- Sarah Acevedo-Roman, MDGuaynabo, PR1417990441
- Gloria Acosta, MDAguadilla, PR1154330041
- Domingo Acosta-Albino, M.D.Mayaguez, PR1548343031
- Chris Marie Adams VegaPonce, PR1912477225
- Marielba Agosto, M.D.Cayey, PR1902078157
Common questions
What is Maria Zweig, M.D.'s NPI number?
Maria Zweig, M.D.'s National Provider Identifier (NPI) is 1356303549, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maria Zweig, M.D. located?
The NPPES record lists a practice address at 4 Calle Rvdo Domingo Marrero, San Juan, PR, 00925. Phone: (787) 759-6901. Providers update this record themselves, so call before visiting.
How can I verify Maria Zweig, M.D.'s license?
Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Zweig, M.D. prescribe under Medicare Part D?
In 2024, Maria Zweig, M.D. had 879 Medicare Part D claims for 241 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.