NPPES file of Aug 9, 2026

Feminia Castro Mac, MD

Pediatric Adolescent Medicine Physician · Newark, NJ

Feminia Castro Mac, MD is a pediatric adolescent medicine physician with a practice address in Newark, New Jersey, and NPI 1942386966, issued on Oct 31, 2006. Check the license (New Jersey 28330, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942386966
Name
Feminia Castro Mac
Credential
MD
Primary taxonomy
Pediatric Adolescent Medicine Physician 2080A0000X
License number
28330 NJ
Self-reported in NPPES; status is on the state search
Practice location
18 Ferry St, Newark, NJ 07105
Phone
(973) 589-3566
Enumerated
Oct 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(973) 589-1707
Medicaid ID
3921905 NJ
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18 Ferry St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Downey, D.M.D.Dentist1316112469

Verify Feminia Castro Mac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 28330
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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76% fewer Medicare Part D claims than the average pediatric adolescent medicine physician in 2024

36 Medicare Part D claims, against an average of 148 among the 384 providers of this specialty who prescribed in Part D.

  1. Feminia Mac36
  2. Specialty average148

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: $47.20

3 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 859 providers of this specialty with any payment received $389.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Feminia Mac$47.20
  2. Specialty average$389.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Feminia Castro Mac among 192 pediatric adolescent medicine physician records in New Jersey

Feminia Castro Mac, MD is one of 192 pediatric adolescent medicine physician records with a practice address in New Jersey. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 17% newer
  • In a Medicare fileYes · 49% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080A0000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Adolescent Medicine Physician providers in New Jersey

There are 192 pediatric adolescent medicine physician records in New Jersey.

The 8 pediatric adolescent medicine physician records with the nearest ZIP codes

  1. Loreta Uy, MDNewark, NJ 071051164447587
  2. Julia Pons, MDNewark, NJ 071041528050531
  3. Pauline Walks-Akintobi, MDNewark, NJ 071041063434447
  4. Robert Johnson, M.D.Newark, NJ 071031134149230
  5. Paulette Stanford, MDNewark, NJ 071031801967740
  6. Jocelyne Louis-Jacques, M.D.Newark, NJ 071081306979323
  7. Michele Segal, M.D.Nutley, NJ 071101316084189
  8. Rodrigo Castillo, M.D.West New York, NJ 070931821156480

Common questions

What is Feminia Castro Mac, MD's NPI number?

Feminia Castro Mac, MD's National Provider Identifier (NPI) is 1942386966, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Feminia Castro Mac, MD located?

The NPPES record lists a practice address at 18 Ferry St, Newark, NJ, 07105. Phone: (973) 589-3566. Providers update this record themselves, so call before visiting.

How can I verify Feminia Castro Mac, MD's license?

NPPES lists New Jersey license number 28330, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Feminia Castro Mac, MD prescribe under Medicare Part D?

In 2024, Feminia Castro Mac, MD had 36 Medicare Part D claims; the average among pediatric adolescent medicine physician prescribers was 148. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.