NPPES file of Aug 9, 2026

Mackenzie Elizabeth Davis, MD

Psychiatry Physician · Lexington, MA

Mackenzie Elizabeth Davis, MD is a psychiatry physician with a practice address in Lexington, Massachusetts, and NPI 1548897887, issued on Mar 25, 2020. Check the license (Massachusetts 295059, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1548897887
Name
Mackenzie Elizabeth Davis
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
295059 MA
Self-reported in NPPES; status is on the state search
Practice location
114 Waltham St Ste G6, Lexington, MA 02421
Phone
(508) 492-5163
Enumerated
Mar 25, 2020
Record last updated
Nov 8, 2024
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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Verify Mackenzie Elizabeth Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 295059
    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
Open 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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83% fewer Medicare Part D claims than the average psychiatry physician in 2024

170 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mackenzie Davis170
  2. Specialty average1,000

Most prescribed

  1. Clonazepam26 claims
  2. Clozapine18 claims
  3. Lamotrigine15 claims
  4. Trazodone Hcl12 claims
  5. Venlafaxine Hcl Er11 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.

Mackenzie Elizabeth Davis among 2,736 psychiatry physician records in Massachusetts

Mackenzie Elizabeth Davis, MD is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.

  • NPI issued2020 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 psychiatry physician records list a practice address in Lexington

They are 29 of the 1,467 NPPES records with a practice address in Lexington, and 2,736 psychiatry physician records in Massachusetts.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Christina Amerault, M.D.Lexington, MA 024211649702937
  2. Amy Banks, M.D.Lexington, MA 024211033166772
  3. Robert Berezin, M.D.Lexington, MA 024211477618536
  4. Ellen Cohen, M.D.Lexington, MA 024211770672800
  5. Timothy Dugan, MDLexington, MA 024211073607396
  6. Theo Manschreck, MDLexington, MA 024211700867595
  7. Denise Nagel, M.D.Lexington, MA 024211548450679
  8. Samuel Rabison, M.D.Lexington, MA 024211942283817

Common questions

What is Mackenzie Elizabeth Davis, MD's NPI number?

Mackenzie Elizabeth Davis, MD's National Provider Identifier (NPI) is 1548897887, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mackenzie Elizabeth Davis, MD located?

The NPPES record lists a practice address at 114 Waltham St Ste G6, Lexington, MA, 02421. Phone: (508) 492-5163. Providers update this record themselves, so call before visiting.

How can I verify Mackenzie Elizabeth Davis, MD's license?

NPPES lists Massachusetts license number 295059, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mackenzie Elizabeth Davis, MD prescribe under Medicare Part D?

In 2024, Mackenzie Elizabeth Davis, MD had 170 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.