Ma. Dolores Del Castillo, M.D.
Endocrinology, Diabetes & Metabolism Physician · Plymouth, MA
Ma. Dolores Del Castillo, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Plymouth, Massachusetts, and NPI 1952741209, issued on Jul 1, 2013. Check the license (Massachusetts 283575, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ma. Dolores Del Castillo
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 283575 MA
25MA09329000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 110 Long Pond RD, Plymouth, MA 02360
- Phone
- (508) 210-5920
- Enumerated
- Jul 1, 2013
- Record last updated
- Nov 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210113000318); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 110 Long Pond RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raafat Attia-Hanna, M.D.Endocrinology, Diabetes & Metabolism Physician1922150804
- Jeanne Belekevich, NPNurse Practitioner1740393768
- Anthony Borgia, DDSEndodontics1710945845
- Andrew Burke, MSPTPhysical Therapist1598738478
- Samridhi Chikersal, M.DFamily Medicine Physician1659712362
- Marco DonadioEndodontics1437318565
Verify Ma. Dolores Del Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,072 Medicare Part D claims for 530 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium182 claims
- Metformin Hcl149 claims
- Nano 2nd Gen Pen Needle143 claims
- Ozempic132 claims
- Lantus Solostar110 claims
- Metformin Hcl Er99 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.
Industry payments in 2024: $47.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ma. Dolores Del Castillo among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Ma. Dolores Del Castillo, M.D. is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2007 · median 2002 among the 378 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Plymouth → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Raafat Attia-Hanna, M.D.Plymouth, MA 023601922150804
- Christopher Coakley, M.D.Plymouth, MA 023601780750455
- Frederick Murray, MDPlymouth, MA 023601932462660
- Grace Thomas, M.D.North Easton, MA 023561114275393
- German Velasco, M.D.Middleboro, MA 023461447441472
- Samar Choubah, M.D.Brockton, MA 023021588698245
- Sharmela Brijmohan, M.DBrockton, MA 023011447868922
- Lakshmi Mohan Viji Das, M.D.Brockton, MA 023011275975682
Common questions
What is Ma. Dolores Del Castillo, M.D.'s NPI number?
Ma. Dolores Del Castillo, M.D.'s National Provider Identifier (NPI) is 1952741209, issued on Jul 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ma. Dolores Del Castillo, M.D. located?
The NPPES record lists a practice address at 110 Long Pond RD, Plymouth, MA, 02360. Phone: (508) 210-5920. Providers update this record themselves, so call before visiting.
How can I verify Ma. Dolores Del Castillo, M.D.'s license?
NPPES lists Massachusetts license number 283575, 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 Ma. Dolores Del Castillo, M.D. prescribe under Medicare Part D?
In 2024, Ma. Dolores Del Castillo, M.D. had 2,072 Medicare Part D claims for 530 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.