David A. Chad, MD
Neurology Physician · Worcester, MA
David A. Chad, MD is a neurology physician with a practice address in Worcester, Massachusetts, and NPI 1477537520, issued on Dec 2, 2005. Check the license (Massachusetts 45515, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David A. Chad
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 45515 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 856-2527
- Enumerated
- Dec 2, 2005
- Record last updated
- Aug 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (508) 856-6778
- Medicaid ID
- 0192589 MA
- Medicare enrollment
- Enrolled (PECOS I20060428000160); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 964 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify David A. Chad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 45515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average neurology physician in 2024
256 Medicare Part D claims for 36 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Gabapentin71 claims
- Prednisone50 claims
- Mycophenolate Mofetil20 claims
- Gamunex-C15 claims
- Pyridostigmine Bromide11 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.
Bills Medicare through one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Chad among 964 neurology physician records in Massachusetts
David A. Chad, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1974 · median 2006 among the 612 with a school on file
- Record last updated2011 · 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).
Neurology Physician providers in Massachusetts
There are 964 neurology physician records in Massachusetts.
All 964 in Massachusetts → Every provider in Worcester → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Seema Adhami, M.D.Worcester, MA 016551639169063
- Isabelita Bella, MDWorcester, MA 016551871577924
- Sheldon Benjamin, M.D.Worcester, MA 016551952375248
- Nancy Fontneau, MDWorcester, MA 016551073597993
- Edward Ginns, M.D. PHD.Worcester, MA 016551588646905
- Wiley Hall, M.D.Worcester, MA 016551275516296
- Lawrence Hayward, M.D.Worcester, MA 016551104807767
- Ann Mitchell, M.D.Worcester, MA 016551720063209
Common questions
What is David A. Chad, MD's NPI number?
David A. Chad, MD's National Provider Identifier (NPI) is 1477537520, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David A. Chad, MD located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-2527. Providers update this record themselves, so call before visiting.
How can I verify David A. Chad, MD's license?
NPPES lists Massachusetts license number 45515, 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 David A. Chad, MD prescribe under Medicare Part D?
In 2024, David A. Chad, MD had 256 Medicare Part D claims for 36 beneficiaries; the average among neurology physician prescribers was 1,370. 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.