Keith A. Johnson, MD
Neurology Physician · Boston, MA
Keith A. Johnson, MD is a neurology physician with a practice address in Boston, Massachusetts, and NPI 1841263159, issued on Feb 8, 2006. Check the license (Massachusetts 50853, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Keith A. Johnson
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 50853 MA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Fruit St, Boston, MA 02114
- Phone
- (617) 724-7066
- Enumerated
- Feb 8, 2006
- Record last updated
- Oct 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (617) 726-5123
- Medicaid ID
- 6187668 MA
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 964 in Massachusetts → Look up another NPI →
Verify Keith A. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 50853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,818.38
5 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Keith A. Johnson among 964 neurology physician records in Massachusetts
Keith A. Johnson, MD is one of 964 neurology physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 57% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
524 neurology physician records list a practice address in Boston
They are 524 of the 41,865 NPPES records with a practice address in Boston, and 964 neurology physician records in Massachusetts.
All 964 in Massachusetts → Every provider in Boston → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Cenk Ayata, MDBoston, MA 021141326038043
- Thomas Byrne, MDBoston, MA 021141346230075
- David Caplan, MD PHDBoston, MA 021141780674945
- Alice Flaherty, MD PHDBoston, MA 021141396735601
- John Growdon, MDBoston, MA 021141407846686
- Michael Irizarry, MDBoston, MA 021141790775237
- James Lehrich, MDBoston, MA 021141205826518
- Robert Levine, MDBoston, MA 021141154318459
Common questions
What is Keith A. Johnson, MD's NPI number?
Keith A. Johnson, MD's National Provider Identifier (NPI) is 1841263159, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith A. Johnson, MD located?
The NPPES record lists a practice address at 33 Fruit St, Boston, MA, 02114. Phone: (617) 724-7066. Providers update this record themselves, so call before visiting.
How can I verify Keith A. Johnson, MD's license?
NPPES lists Massachusetts license number 50853, 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.
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.