NPPES file of Aug 9, 2026

Mercedes Rivera-Barber, ANP

Nurse Practitioner · Depew, NY

Mercedes Rivera-Barber, ANP is a nurse practitioner with a practice address in Depew, New York, and NPI 1386913242, issued on Dec 22, 2011. Check the license (New York F305889-1, as entered in NPPES) with the New York board that licenses this profession; 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
1386913242
Name
Mercedes Rivera-Barber
Credential
ANP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
F305889-1 NY
SP033387 PA
Self-reported in NPPES; status is on the state search
Practice location
3332 Walden Ave, Depew, NY 14043
Phone
(716) 668-7051
Enumerated
Dec 22, 2011
Record last updated
Jan 4, 2026
Fax
(716) 668-7069
Medicare enrollment
Enrolled (PECOS I20250826001245); may accept Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3332 Walden Ave

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

  1. Karen Binis, NPAdult Health Nurse Practitioner1821158866
  2. Dilafruz Elnasser, AGPN-CAdult Health Nurse Practitioner1902344385
  3. Kaishla Fernandez, RNFamily Nurse Practitioner1306611074
  4. Latshia GardnerCase Manager/Care Coordinator1497378830
  5. Lauren GardnerCase Manager/Care Coordinator1225521495
  6. Dawn Giardina, AGPCNPAdult Health Nurse Practitioner1952917379

Verify Mercedes Rivera-Barber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license F305889-1
    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
Find the New York license search

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77% fewer Medicare Part D claims than the average nurse practitioner in 2024

251 Medicare Part D claims for 208 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Mercedes Rivera-Barber251
  2. Specialty average1,109

Most prescribed

  1. Doxycycline Hyclate56 claims
  2. Prednisone35 claims
  3. Amoxicillin-Clavulanate Potass13 claims
  4. Cefdinir13 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.

Bills Medicare through one group practice

  1. Ars Treatment Centers PCAllentown, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mercedes Rivera-Barber among 3,097 nurse practitioner records in New York

Mercedes Rivera-Barber, ANP is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 46% of them.

  • NPI issued2011 · 46% of these records are older, 52% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2011 · median 2017 among the 1,360 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in New York

There are 3,097 nurse practitioner records in New York.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jill Kaczmarek, N.P.Lancaster, NY 140431023095098
  2. Claire Wittlinger, FNPDepew, NY 140431124762661
  3. William Styborski, NPDunkirk, NY 140481417011859
  4. James Urgo, NURSE PRACTITIONERDunkirk, NY 140481154408136
  5. Jessica Bielawa, AGPCNP-BCCorfu, NY 140361376278465
  6. Peihua Yuan, AGPCNP-C, MSN, RNEast Amherst, NY 140511093663825
  7. Christine Cox, ANPEast Aurora, NY 140521275527392
  8. Ellen Hayes, PNPEast Aurora, NY 140521417952920

Common questions

What is Mercedes Rivera-Barber, ANP's NPI number?

Mercedes Rivera-Barber, ANP's National Provider Identifier (NPI) is 1386913242, issued on Dec 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mercedes Rivera-Barber, ANP located?

The NPPES record lists a practice address at 3332 Walden Ave, Depew, NY, 14043. Phone: (716) 668-7051. Providers update this record themselves, so call before visiting.

How can I verify Mercedes Rivera-Barber, ANP's license?

NPPES lists New York license number F305889-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Mercedes Rivera-Barber, ANP prescribe under Medicare Part D?

In 2024, Mercedes Rivera-Barber, ANP had 251 Medicare Part D claims for 208 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.