Alejandro Esparza-Perez, M.D.
Internal Medicine Physician · Holyoke, MA
Alejandro Esparza-Perez, M.D. is an internal medicine physician with a practice address in Holyoke, Massachusetts, and NPI 1124098595, issued on Jan 26, 2006. Check the license (Massachusetts 211045, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alejandro Esparza-Perez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 211045 MA
Self-reported in NPPES; status is on the state search - Practice location
- 230 Maple St Ste 1, Holyoke, MA 01040
- Phone
- (413) 420-2200
- Enumerated
- Jan 26, 2006
- Record last updated
- Mar 1, 2024
- Fax
- (413) 539-9472
- Medicare enrollment
- Enrolled (PECOS I20101029000112); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 230 Maple St Ste 1
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chithu Abraham, DDSDentist1043615321
- Jamie Abraham, DMD, MPHDentist1720665854
- Ayotunde Akinwande, DNP, APRN, FNP-BCFamily Nurse Practitioner1740112630
- Kefah Al-Ramahi, M.D.Internal Medicine Physician1235493008
- Matthew Antil, PHARMD, RPHPharmacist1467172056
- Muriel Appram, NPNurse Practitioner1639952401
Verify Alejandro Esparza-Perez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 211045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average internal medicine physician in 2024
5,800 Medicare Part D claims for 312 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 328 claims were for opioids.
Most prescribed
- Atorvastatin Calcium354 claims
- Amlodipine Besylate295 claims
- Lisinopril270 claims
- Omeprazole215 claims
- Gabapentin189 claims
- Trulicity157 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
- Holyoke Health Center Inc.Holyoke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alejandro Esparza-Perez among 6,825 internal medicine physician records in Massachusetts
Alejandro Esparza-Perez, 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
- Graduated1997 · 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).
31 internal medicine physician records list a practice address in Holyoke
They are 31 of the 1,961 NPPES records with a practice address in Holyoke, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Holyoke → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Purnima Adlakha, M.D.Holyoke, MA 010401487601175
- Tazeen Aleem, MDHolyoke, MA 010401760466494
- Vamseedhar Alla, M.D.Holyoke, MA 010401083646517
- Kenneth Aquilino, MDHolyoke, MA 010401770583668
- Vanessa Begolli, M.D.Holyoke, MA 010401770553562
- Ana Maria Castrillon, MDHolyoke, MA 010401932174570
- Thomas Judd, MDHolyoke, MA 010401780788802
- Andrew Levin, M.D.Holyoke, MA 010401033177233
Common questions
What is Alejandro Esparza-Perez, M.D.'s NPI number?
Alejandro Esparza-Perez, M.D.'s National Provider Identifier (NPI) is 1124098595, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alejandro Esparza-Perez, M.D. located?
The NPPES record lists a practice address at 230 Maple St Ste 1, Holyoke, MA, 01040. Phone: (413) 420-2200. Providers update this record themselves, so call before visiting.
How can I verify Alejandro Esparza-Perez, M.D.'s license?
NPPES lists Massachusetts license number 211045, 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 Alejandro Esparza-Perez, M.D. prescribe under Medicare Part D?
In 2024, Alejandro Esparza-Perez, M.D. had 5,800 Medicare Part D claims for 312 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.