NPPES file of Aug 9, 2026

Douglas C. Johnson, MD

Pulmonary Disease Physician · Springfield, MA

Douglas C. Johnson, MD is a pulmonary disease physician with a practice address in Springfield, Massachusetts, and NPI 1710969738, issued on Nov 16, 2005. Check the license (Massachusetts 43956, 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
1710969738
Name
Douglas C. Johnson
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
43956 MA
Self-reported in NPPES; status is on the state search
Practice location
3300 Main St, Springfield, MA 01107
Phone
(413) 794-7330
Enumerated
Nov 16, 2005
Record last updated
Dec 22, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(413) 794-8163
Medicaid ID
0173452 MA
Medicare enrollment
Enrolled (PECOS I20040824001013); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1976
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 3300 Main St

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

  1. Jacob Alexander, MDGastroenterology Physician1306907084
  2. Jennifer Allard, FNP-CFamily Nurse Practitioner1902533896
  3. Kassandra Allbright, MDPulmonary Disease Physician1194213942
  4. Varun Teja Angajala, MDGastroenterology Physician1962030940
  5. Olga Aponte, MDChild & Adolescent Psychiatry Physician1649369059
  6. Hany Aziz, MDCardiovascular Disease Physician1679580385

Verify Douglas C. Johnson 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 43956
    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

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72% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

401 Medicare Part D claims for 107 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 18 claims were for opioids.

  1. Douglas Johnson401
  2. Specialty average1,425

Most prescribed

  1. Ipratropium Bromide152 claims
  2. Modafinil29 claims
  3. Gabapentin27 claims
  4. Clonazepam24 claims
  5. Dupixent Pen22 claims
  6. Tramadol Hcl18 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: $7.39

1 payment: food and beverage; the largest payer was Harmony Biosciences Llc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Douglas Johnson$7.39
  2. Specialty average$5,159.88

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Baystate Medical Practices IncSpringfield, MA

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

Douglas C. Johnson among 569 pulmonary disease physician records in Massachusetts

Douglas C. Johnson, MD is one of 569 pulmonary disease physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1976 · median 2003 among the 407 with a school on file
  • Record last updated2017 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Massachusetts

There are 569 pulmonary disease physician records in Massachusetts.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Mohammad Abu Hishmeh, M.DSpringfield, MA 011071841608890
  2. Kassandra Allbright, MDSpringfield, MA 011071194213942
  3. Talal Dahhan, MDSpringfield, MA 011071730410234
  4. Neil Devoe, DOSpringfield, MA 011071326538737
  5. Ernest Dinino, M.D.Springfield, MA 011071932215795
  6. Mary Jo Farmer, MD PHDSpringfield, MA 011071942296108
  7. Gerald Green, MDSpringfield, MA 011071093808032
  8. Puncho Gurung, MDSpringfield, MA 011071982819132

Common questions

What is Douglas C. Johnson, MD's NPI number?

Douglas C. Johnson, MD's National Provider Identifier (NPI) is 1710969738, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Douglas C. Johnson, MD located?

The NPPES record lists a practice address at 3300 Main St, Springfield, MA, 01107. Phone: (413) 794-7330. Providers update this record themselves, so call before visiting.

How can I verify Douglas C. Johnson, MD's license?

NPPES lists Massachusetts license number 43956, 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 Douglas C. Johnson, MD prescribe under Medicare Part D?

In 2024, Douglas C. Johnson, MD had 401 Medicare Part D claims for 107 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.