Registry data as of Aug 27, 2026

Caitlin Bast, DNP

Adult Health Nurse Practitioner · Braintree, MA

Caitlin Bast, DNP is an adult health nurse practitioner with a practice address in Braintree, Massachusetts, and NPI 1558945071, issued on May 11, 2021. Check the license (Massachusetts RN2328115, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558945071
Name
Caitlin Bast
Credential
DNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
RN2328115 MA
Self-reported in NPPES; status is on the state search
Practice location
111 Grossman Dr, Braintree, MA 02184
Phone
(518) 441-9074
Enumerated
May 11, 2021
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 111 Grossman Dr

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

  1. Deborah Antos, PAPhysician Assistant1295798437
  2. Peter Barrant, M.D.Pediatrics Physician1215913835
  3. Gail Bean, NPNurse Practitioner1992774137
  4. Vicki Beggs, PHDPsychologist1104877539
  5. Elvira Belenky, PAPhysician Assistant1316901507
  6. Elise Bender, MDFamily Medicine Physician1003044272

Verify Caitlin Bast in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2328115
    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 Massachusetts 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.

60% more Medicare Part D claims than the average adult health nurse practitioner in 2024

2,065 Medicare Part D claims for 390 beneficiaries, against an average of 1,291 among the 16,003 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 88 claims were for opioids.

  1. Caitlin Bast2,065
  2. Specialty average1,291

Most prescribed

  1. Atorvastatin Calcium173 claims
  2. Lisinopril103 claims
  3. Losartan Potassium82 claims
  4. Gabapentin70 claims
  5. Amlodipine Besylate56 claims
  6. Albuterol Sulfate Hfa55 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.

One hospital or facility affiliation

  1. Atrius Health IncBraintree, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

11 adult health nurse practitioner records list a Braintree practice address

They are 11 of the 991 NPPES records with a Braintree practice address, and 1,420 adult health nurse practitioner records in Massachusetts.

Other adult health nurse practitioner records in Massachusetts

  1. Christine Abbott, NPBoston, MA1851471940
  2. Maureen Abbott, NPBoston, MA1457591638
  3. Bethany Abde, AGNP - BCWareham, MA1215331566
  4. Nadia Abdulrazak, N.P.Boston, MA1952616682
  5. June Abraham, NPBoston, MA1306916440
  6. Van Abreu, N.P.Reading, MA1174867055
  7. Margaret Ackerman, DNPSalem, MA1962482281
  8. Rebecca Acome, N.P.Jamaica Plain, MA1205088531
  9. Annette Adams, CNPNantucket, MA1164877635
  10. Linda Adelberg, NPFairhaven, MA1912146127

Common questions

What is Caitlin Bast, DNP's NPI number?

Caitlin Bast, DNP's National Provider Identifier (NPI) is 1558945071, issued on May 11, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Bast, DNP located?

The NPPES record lists a practice address at 111 Grossman Dr, Braintree, MA, 02184. Phone: (518) 441-9074. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Bast, DNP's license?

NPPES lists Massachusetts license number RN2328115, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Caitlin Bast, DNP prescribe under Medicare Part D?

In 2024, Caitlin Bast, DNP had 2,065 Medicare Part D claims for 390 beneficiaries; the average among adult health nurse practitioner prescribers was 1,291. 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.