Isabel Cristina Castro, D.O.
Hospice and Palliative Medicine (Internal Medicine) Physician · Worcester, MA
Isabel Cristina Castro, D.O. is a hospice and palliative medicine (internal medicine) physician with a practice address in Worcester, Massachusetts, and NPI 1164699583, issued on May 14, 2008. Check the license (Massachusetts 270042, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Isabel Cristina Castro
- Credential
- D.O.
- Primary taxonomy
- Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
- License numbers
- 270042 MA
04128 IA
52427 MN
168039 OR
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-8630
- Enumerated
- May 14, 2008
- Record last updated
- Oct 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (774) 441-6710
- Medicare enrollment
- Enrolled (PECOS I20170821003336); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Isabel Cristina Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 270042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospice and Palliative Medicine (Internal Medicine) Physician providers in Massachusetts
There are 93 hospice and palliative medicine (internal medicine) physician records in Massachusetts.
Other hospice and palliative medicine (internal medicine) physician records in Massachusetts
- Corinne Alexander ColeBoston, MA1700869443
- Ashwini Bapat, M.D.Boston, MA1346515624
- Joel Bauman, M.D.Worcester, MA1477633600
- Yvan Beaussant, MD, MSCBoston, MA1992311211
- Rafael Bloise Espinal, MDNorwood, MA1689933392
- Elizabeth Bowers, NPBoston, MA1477821346
- Douglas Brandoff, MDBoston, MA1891786802
- Forrest BrooksBoston, MA1922597657
- David Cheng, MDBoston, MA1558709063
- Eva Chittenden, MDWorcester, MA1093772758
Common questions
What is Isabel Cristina Castro, D.O.'s NPI number?
Isabel Cristina Castro, D.O.'s National Provider Identifier (NPI) is 1164699583, issued on May 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Isabel Cristina Castro, D.O. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-8630. Providers update this record themselves, so call before visiting.
How can I verify Isabel Cristina Castro, D.O.'s license?
NPPES lists Massachusetts license number 270042, 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.
What is Isabel Cristina Castro, D.O.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.