Margaret Chernaik, ACNP
Acute Care Nurse Practitioner · Boston, MA
Margaret Chernaik, ACNP is an acute care nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1215280185, issued on Oct 17, 2012. Check the license (Massachusetts RN172458, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Chernaik
- Credential
- ACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- RN172458 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-3354
- Enumerated
- Oct 17, 2012
- Entity
- Type 1 · individual
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiStudent in an Organized Health Care Education/Training Program1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Margaret Chernaik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN172458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
48% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
327 Medicare Part D claims for 135 beneficiaries, against an average of 623 among the 12,256 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Citalopram Hbr17 claims
- Oxycodone Hcl14 claims
- Amlodipine Besylate11 claims
- Prednisone11 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: $826.26
7 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 10,240 providers of this specialty with any payment received $630.57 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.
Acute Care Nurse Practitioner providers in Massachusetts
There are 560 acute care nurse practitioner records in Massachusetts.
Other acute care nurse practitioner records in Massachusetts
- Allison AditaysWorcester, MA1326602442
- Daniela Aguilera Bremer, MDBoston, MA1780123083
- Tina AlibozekPittsfield, MA1023517380
- Christopher AllenBoston, MA1174139976
- Heidi Almodovar, PNPBoston, MA1922324250
- Jennifer Aman, NPBoston, MA1053966234
- Kristina Amaral, CNPFall River, MA1881164184
- Mary Amatangelo, NPBoston, MA1114191442
- Billy Anabaka, AGACNP-BCWorcester, MA1699176727
- Jaines Andrades, NPSpringfield, MA1649898065
Common questions
What is Margaret Chernaik, ACNP's NPI number?
Margaret Chernaik, ACNP's National Provider Identifier (NPI) is 1215280185, issued on Oct 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Chernaik, ACNP located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-3354. Providers update this record themselves, so call before visiting.
How can I verify Margaret Chernaik, ACNP's license?
NPPES lists Massachusetts license number RN172458, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Chernaik, ACNP prescribe under Medicare Part D?
In 2024, Margaret Chernaik, ACNP had 327 Medicare Part D claims for 135 beneficiaries; the average among acute care nurse practitioner prescribers was 623. 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.