NPPES file of Aug 9, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 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
Record last updated
Aug 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210803002250); accepts 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 111 Grossman Dr

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

  1. Deborah Antos, PAMedical Physician Assistant1295798437
  2. Peter Barrant, M.D.Pediatrics Physician1215913835
  3. Gail Bean, NPNurse Practitioner1992774137
  4. Vicki Beggs, PHDPsychologist1104877539
  5. Elvira Belenky, PAMedical Physician 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.

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61% 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 1,280 among the 16,937 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 average1,280

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.

Bills Medicare through one group practice

  1. Atrius Health IncBraintree, MA

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

Caitlin Bast among 1,465 adult health nurse practitioner records in Massachusetts

Caitlin Bast, DNP is one of 1,465 adult health nurse practitioner records with a practice address in Massachusetts. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.

  • NPI issued2021 · 93% of these records are older, 6% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2021 · median 2010 among the 634 with a school on file
  • Record last updated2021 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 adult health nurse practitioner records list a practice address in Braintree

They are 15 of the 991 NPPES records with a practice address in Braintree, and 1,465 adult health nurse practitioner records in Massachusetts.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Linda Campelia, NPBraintree, MA 021841477522647
  2. Bethann Davis, NPBraintree, MA 021841871563361
  3. Jean Donohue, NPBraintree, MA 021841306805403
  4. Allison Leikam, RN, MSN, AGPCNP-BCBraintree, MA 021841144839838
  5. Marie-Renee Lucien-Jean, NURSE PRACTITIONERBraintree, MA 021841134850902
  6. Kalana Mordarski, NPBraintree, MA 021841396704003
  7. Alona Rotkovitch, NPBraintree, MA 021841023079258
  8. Karen Sawayer, NPBraintree, MA 021841548221773

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 1,280. 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.