Leonor Fernandez, M.D.
Internal Medicine Physician · Boston, MA
Leonor Fernandez, M.D. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1316049737, issued on Sep 5, 2006. Check the license (Massachusetts 75514, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Leonor Fernandez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 75514 MA
Self-reported in NPPES; status is on the state search - Practice location
- Health Care Associates, Boston, MA 02115
- Phone
- (617) 667-9600
- Enumerated
- Sep 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050421001261); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Leonor Fernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 75514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,031 Medicare Part D claims for 167 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Atorvastatin Calcium138 claims
- Amlodipine Besylate128 claims
- Lisinopril74 claims
- Gabapentin66 claims
- Omeprazole64 claims
- Metformin Hcl Er55 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 2 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonor Fernandez among 6,825 internal medicine physician records in Massachusetts
Leonor Fernandez, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2004 among the 4,103 with a school on file
- Record last updated2007 · 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).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marcy Carty, MD, MPHBoston, MA 021151326038928
- Peter Doyle, M.D.Boston, MA 021151770573487
- Pracha Eamranond, M.D.Boston, MA 021151073501656
- Mark Friedberg, M.D.Boston, MA 021151437149184
- Jaye Hefner, MDBoston, MA 021151053384867
- Allen Kachalia, MD JDBoston, MA 021151346231982
- Daniel Kuritzkes, MDBoston, MA 021151114917416
- Sylvia McKean, MDBoston, MA 021151316938954
Common questions
What is Leonor Fernandez, M.D.'s NPI number?
Leonor Fernandez, M.D.'s National Provider Identifier (NPI) is 1316049737, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonor Fernandez, M.D. located?
The NPPES record lists a practice address at Health Care Associates, Boston, MA, 02115. Phone: (617) 667-9600. Providers update this record themselves, so call before visiting.
How can I verify Leonor Fernandez, M.D.'s license?
NPPES lists Massachusetts license number 75514, 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 Leonor Fernandez, M.D. prescribe under Medicare Part D?
In 2024, Leonor Fernandez, M.D. had 2,031 Medicare Part D claims for 167 beneficiaries; 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.