Ana Sofia C. Warner, MD,MBA
Internal Medicine Physician · Boston, MA
Ana Sofia C. Warner, MD,MBA is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1104356351, issued on Jun 19, 2017. Check the license (Massachusetts 283028, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ana Sofia C. Warner
- Credential
- MD,MBA
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 283028 MA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Massachusetts Ave, Boston, MA 02119
- Phone
- (617) 414-5951
- Enumerated
- Jun 19, 2017
- Record last updated
- Apr 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20200716001283); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Verify Ana Sofia C. Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,400 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 74 claims were for opioids.
Most prescribed
- Atorvastatin Calcium112 claims
- Amlodipine Besylate81 claims
- Trulicity70 claims
- Losartan Potassium46 claims
- Metformin Hcl Er42 claims
- Hydrochlorothiazide41 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
- Evans Medical Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ana Sofia C. Warner among 6,825 internal medicine physician records in Massachusetts
Ana Sofia C. Warner, MD,MBA 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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
- Roshni Daver, MBBS, MDRoxbury, MA 021191316297146
- Marjorie JanvierRoxbury, MA 021191598931628
- Clara JonesRoxbury, MA 021191669534418
- Anandita Kishore, MDRoxbury, MA 021191245977099
- Myechia Minter-Jordan, M.D., MBARoxbury, MA 021191497705628
- Monica Morlote, M.D.Roxbury, MA 021191093752735
- Daniele Restifo, M.D.Roxbury, MA 021191336639426
- Julie Tishler, M.D.Roxbury, MA 021191093755530
Common questions
What is Ana Sofia C. Warner, MD,MBA's NPI number?
Ana Sofia C. Warner, MD,MBA's National Provider Identifier (NPI) is 1104356351, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ana Sofia C. Warner, MD,MBA located?
The NPPES record lists a practice address at 801 Massachusetts Ave, Boston, MA, 02119. Phone: (617) 414-5951. Providers update this record themselves, so call before visiting.
How can I verify Ana Sofia C. Warner, MD,MBA's license?
NPPES lists Massachusetts license number 283028, 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 Ana Sofia C. Warner, MD,MBA prescribe under Medicare Part D?
In 2024, Ana Sofia C. Warner, MD,MBA had 1,400 Medicare Part D claims for 121 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.