NPPES file of Aug 9, 2026

Anna Katherine Mielnik

Acute Care Nurse Practitioner · New York, NY

Anna Katherine Mielnik is an acute care nurse practitioner with a practice address in New York, New York, and NPI 1558238170, issued on Oct 20, 2025. Check the license (New York 433446, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1558238170
Name
Anna Katherine Mielnik
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
433446 NY
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(646) 929-7800
Enumerated
Oct 20, 2025
Record last updated
Oct 20, 2025
Medicare enrollment
Enrolled (PECOS I20260507002235); may accept Medicare assignment
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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8 nearest acute care nurse practitioner records → All 1,720 in New York → Look up another NPI →

Also registered at 550 1St Ave

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

  1. Clarisse AbanillaPhysician Assistant1598445579
  2. Ehab Abaza, MDInternal Medicine Physician1114507555
  3. Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
  4. Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
  5. Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
  6. Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324

Verify Anna Katherine Mielnik 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 433446    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Anna Katherine Mielnik among 1,720 acute care nurse practitioner records in New York

Anna Katherine Mielnik is one of 1,720 acute care nurse practitioner records with a practice address in New York. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2025 · median 2020 among the 965 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in New York

There are 1,720 acute care nurse practitioner records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,720 in New York → Every provider in New York → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Stephanie Bloom, CRNPNew York, NY 100161497841951
  2. Rosemaria Cesare, NPNew York, NY 100161255548848
  3. Julie Delianides, N.P.New York, NY 100161093924540
  4. Thomasine Garofalo, N.P.New York, NY 100161518176148
  5. Denise Gounaris, NPNew York, NY 100161225241870
  6. Lisa Greaney, NPNew York, NY 100161932250511
  7. Maureen Lynn, NPNew York, NY 100161013118546
  8. Stephanie Manheim, NPNew York, NY 100161487861514

Common questions

What is Anna Katherine Mielnik's NPI number?

Anna Katherine Mielnik's National Provider Identifier (NPI) is 1558238170, issued on Oct 20, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Anna Katherine Mielnik located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (646) 929-7800. Providers update this record themselves, so call before visiting.

How can I verify Anna Katherine Mielnik's license?

NPPES lists New York license number 433446, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.