Jennifer Daley, M.D.
Internal Medicine Physician · Lexington, MA
Jennifer Daley, M.D. is an internal medicine physician with a practice address in Lexington, Massachusetts, and NPI 1508923574, issued on Jan 2, 2007. Check the license (Massachusetts 42760, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jennifer Daley
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 42760 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Candlewick Close, Lexington, MA 02421
- Phone
- (339) 223-2451
- Enumerated
- Jan 2, 2007
- Record last updated
- Jan 12, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Jennifer Daley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 42760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Jennifer Daley among 6,825 internal medicine physician records in Massachusetts
Jennifer Daley, M.D. is one of 6,825 internal medicine 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Lexington
They are 36 of the 1,467 NPPES records with a practice address in Lexington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Abreu, M.D.Lexington, MA 024211790758266
- Gail Corson, MDLexington, MA 024211750314563
- Morris Dratch, M.D.Lexington, MA 024211760583108
- Daniel Erler, MD MPHLexington, MA 024211598716862
- Elaine Grunberg, M.D.Lexington, MA 024211922249218
- Eric Guardino, M.D.Lexington, MA 024211497880207
- Margot HartunianLexington, MA 024211154312791
- Alice Lee, MDLexington, MA 024211841672300
Common questions
What is Jennifer Daley, M.D.'s NPI number?
Jennifer Daley, M.D.'s National Provider Identifier (NPI) is 1508923574, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Daley, M.D. located?
The NPPES record lists a practice address at 5 Candlewick Close, Lexington, MA, 02421. Phone: (339) 223-2451. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Daley, M.D.'s license?
NPPES lists Massachusetts license number 42760, 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 Jennifer Daley, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Daley, M.D. had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.