Mercedes Freije Ibanez, MD
Internal Medicine Physician · Chelsea, MA
Mercedes Freije Ibanez, MD is an internal medicine physician with a practice address in Chelsea, Massachusetts, and NPI 1144546185, issued on Apr 15, 2010. Check the license (Massachusetts 245101, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mercedes Freije Ibanez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 245101 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Broadway, Chelsea, MA 02150
- Phone
- (617) 975-6200
- Enumerated
- Apr 15, 2010
- Record last updated
- May 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110121000143); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1000 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emilia Evans, CNPFamily Nurse Practitioner1477140572
- Jerina Gani, M.D.Internal Medicine Physician1407046592
Verify Mercedes Freije Ibanez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 245101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average internal medicine physician in 2024
5,682 Medicare Part D claims for 414 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium302 claims
- Levothyroxine Sodium248 claims
- Omeprazole247 claims
- Metformin Hcl205 claims
- Lisinopril155 claims
- Amlodipine Besylate148 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
- Medical Care OF Boston Management CorporationChelsea, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mercedes Freije Ibanez among 6,825 internal medicine physician records in Massachusetts
Mercedes Freije Ibanez, MD 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2004 among the 4,103 with a school on file
- Record last updated2021 · 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 Chelsea
They are 36 of the 998 NPPES records with a practice address in Chelsea, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Chelsea → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sefik Abdulhayoglu, MDChelsea, MA 021501659358166
- Jose Abrego, MDChelsea, MA 021501205808722
- Nancy Adams, M.D.Chelsea, MA 021501649236365
- Wynne Armand, MDChelsea, MA 021501497745939
- Judith Fisch, MDChelsea, MA 021501487644126
- Herman Gomez, MDChelsea, MA 021501639153414
- Ann Kao, MDChelsea, MA 021501588643282
- Cindy Levine, M.D.Chelsea, MA 021501437137270
Common questions
What is Mercedes Freije Ibanez, MD's NPI number?
Mercedes Freije Ibanez, MD's National Provider Identifier (NPI) is 1144546185, issued on Apr 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mercedes Freije Ibanez, MD located?
The NPPES record lists a practice address at 1000 Broadway, Chelsea, MA, 02150. Phone: (617) 975-6200. Providers update this record themselves, so call before visiting.
How can I verify Mercedes Freije Ibanez, MD's license?
NPPES lists Massachusetts license number 245101, 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 Mercedes Freije Ibanez, MD prescribe under Medicare Part D?
In 2024, Mercedes Freije Ibanez, MD had 5,682 Medicare Part D claims for 414 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.