Helen N. Lyon, MD
Clinical Genetics (M.D.) Physician · Boston, MA
Helen N. Lyon, MD is a clinical genetics (m.d.) physician with a practice address in Boston, Massachusetts, and NPI 1659362309, issued on Nov 2, 2005. Check the license (Massachusetts 203432, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Helen N. Lyon
- Credential
- MD
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License number
- 203432 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- Nov 2, 2005
- Record last updated
- Oct 18, 2024
- Fax
- (508) 334-1977
- Medicaid ID
- 110004104A MA
- Medicare enrollment
- Enrolled (PECOS I20241024002385); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical genetics (m.d.) physician records → All 56 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Helen N. Lyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 203432Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncMilford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen N. Lyon among 56 clinical genetics (m.d.) physician records in Massachusetts
Helen N. Lyon, MD is one of 56 clinical genetics (m.d.) physician records with a practice address in Massachusetts. 59% 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, 88% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1996 · median 1999 among the 28 with a school on file
- Record last updated2024 · 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 207SG0201X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Genetics (M.D.) Physician providers in Massachusetts
There are 56 clinical genetics (m.d.) physician records in Massachusetts.
All 56 in Massachusetts → Every provider in Boston → Clinical Genetics (M.D.) Physician nationwide →
The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Wendy Chung, MDBoston, MA 021151972578540
- Gerald Cox, MD, PHDBoston, MA 021151811955479
- David Harris, MDBoston, MA 021151770546855
- Jodi Hoffman, M.D.Boston, MA 021151871605360
- Ingrid Holm, MDBoston, MA 021151356306914
- Amy Kritzer, MDBoston, MA 021151700044336
- Lauren Massingham, M.D.Boston, MA 021151417000357
- Edward Neilan, MD, PHDBoston, MA 021151245297480
Common questions
What is Helen N. Lyon, MD's NPI number?
Helen N. Lyon, MD's National Provider Identifier (NPI) is 1659362309, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Helen N. Lyon, MD located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.
How can I verify Helen N. Lyon, MD's license?
NPPES lists Massachusetts license number 203432, 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.
What is Helen N. Lyon, MD's MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.