NPPES file of Aug 9, 2026

Leland Mann Johnston, M.D.

Psychiatry Physician · Boulder, CO

Leland Mann Johnston, M.D. is a psychiatry physician with a practice address in Boulder, Colorado, and NPI 1992844708, issued on Feb 6, 2007. Check the license (Colorado 38458, as entered in NPPES) on the Colorado Medical Board; 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
1992844708
Name
Leland Mann Johnston
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
38458 CO
Self-reported in NPPES; status is on the state search
Practice location
1740 Sumac Ave, Boulder, CO 80304
Phone
(720) 565-1422
Enumerated
Feb 6, 2007
Record last updated
Jan 25, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(866) 849-7805
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 Leland Mann Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 38458
    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 Colorado license search

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71% fewer Medicare Part D claims than the average psychiatry physician in 2024

291 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Leland Johnston291
  2. Specialty average1,000

Most prescribed

  1. Dextroamphetamine-Amphetamine28 claims
  2. Zaleplon21 claims
  3. Methylphenidate Hcl16 claims
  4. Dextroamphetamine Sulfate14 claims
  5. Trazodone Hcl14 claims
  6. Lorazepam13 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.

Leland Mann Johnston among 990 psychiatry physician records in Colorado

Leland Mann Johnston, M.D. is one of 990 psychiatry physician records with a practice address in Colorado. 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 2007, is newer than 38% of them.

  • NPI issued2007 · 38% of these records are older, 42% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 35% of these records are
  • Record last updated2008 · 55% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 psychiatry physician records list a practice address in Boulder

They are 71 of the 5,635 NPPES records with a practice address in Boulder, and 990 psychiatry physician records in Colorado.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Mary Ellen Becker, M.DBoulder, CO 803041194827378
  2. Emily Bucy, M.D.Boulder, CO 803041467552117
  3. Dorothy Carter, M.D.Boulder, CO 803041265592281
  4. Gerald Chitters, M DBoulder, CO 803041366452310
  5. Cynthia Dafler, MDBoulder, CO 803041669491940
  6. Debra Edelson, MDBoulder, CO 803041952417057
  7. Leon Evans, MDBoulder, CO 803041982628749
  8. Dorothy Faris, MDBoulder, CO 803041174543870

Common questions

What is Leland Mann Johnston, M.D.'s NPI number?

Leland Mann Johnston, M.D.'s National Provider Identifier (NPI) is 1992844708, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Leland Mann Johnston, M.D. located?

The NPPES record lists a practice address at 1740 Sumac Ave, Boulder, CO, 80304. Phone: (720) 565-1422. Providers update this record themselves, so call before visiting.

How can I verify Leland Mann Johnston, M.D.'s license?

NPPES lists Colorado license number 38458, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Leland Mann Johnston, M.D. prescribe under Medicare Part D?

In 2024, Leland Mann Johnston, M.D. had 291 Medicare Part D claims for 17 beneficiaries; 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.