NPPES file of Aug 9, 2026

Marybeth Holak, ARNP

Family Nurse Practitioner · New Haven, CT

Marybeth Holak, ARNP is a family nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1518067230, issued on Sep 23, 2006. Check the license (Connecticut 6944, as entered in NPPES) with the Connecticut 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
1518067230
Name
Marybeth Holak
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
6944 CT
Self-reported in NPPES; status is on the state search
Practice location
428 Columbus Avenue, New Haven, CT 06519
Phone
(203) 503-3000
Enumerated
Sep 23, 2006
Record last updated
Oct 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(203) 503-3224
Medicaid ID
008075168 CT
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 428 Columbus Avenue

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

  1. Shanique Bingham, DPMPodiatrist1376925370
  2. Isabella Chen, DMDGeneral Practice Dentistry1851852339
  3. Michael Couturie, MDInternal Medicine Physician1760684864
  4. Jamil Harp, MDObstetrics & Gynecology Physician1619149515
  5. Hadrian Holder, M.D.Family Medicine Physician1083093181
  6. Jonathan Johnson, FNPFamily Nurse Practitioner1982102083

Verify Marybeth Holak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 6944
    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 Connecticut 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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84% fewer Medicare Part D claims than the average family nurse practitioner in 2024

203 Medicare Part D claims for 57 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Marybeth Holak203
  2. Specialty average1,305

Most prescribed

  1. Triamcinolone Acetonide26 claims
  2. Clobetasol Propionate22 claims
  3. Fluconazole17 claims
  4. Econazole Nitrate16 claims
  5. Ketoconazole16 claims
  6. Acitretin12 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: $220.01

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marybeth Holak$220.01
  2. Specialty average$650.95

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

Marybeth Holak among 2,669 family nurse practitioner records in Connecticut

Marybeth Holak, ARNP is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 91% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2020 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

239 family nurse practitioner records list a practice address in New Haven

They are 239 of the 9,793 NPPES records with a practice address in New Haven, and 2,669 family nurse practitioner records in Connecticut.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Mary Ann Fieffer, APRN, RNNew Haven, CT 065191932147675
  2. Mary Fusi, APRNNew Haven, CT 065191295855518
  3. Shelley Hawkins, DSN, APRN-BC, FAANPNew Haven, CT 065191023232139
  4. Robert Hill, APRNNew Haven, CT 065191528036944
  5. Jennifer Hughes, APRNNew Haven, CT 065191205903416
  6. Erin Kampa, APRN-BCNew Haven, CT 065191891898672
  7. Thomas Kimberly, APRN, MSNNew Haven, CT 065191316026115
  8. Natasha McEwanNew Haven, CT 065191427144492

Common questions

What is Marybeth Holak, ARNP's NPI number?

Marybeth Holak, ARNP's National Provider Identifier (NPI) is 1518067230, issued on Sep 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marybeth Holak, ARNP located?

The NPPES record lists a practice address at 428 Columbus Avenue, New Haven, CT, 06519. Phone: (203) 503-3000. Providers update this record themselves, so call before visiting.

How can I verify Marybeth Holak, ARNP's license?

NPPES lists Connecticut license number 6944, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Marybeth Holak, ARNP prescribe under Medicare Part D?

In 2024, Marybeth Holak, ARNP had 203 Medicare Part D claims for 57 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.