Ronald B. Cruz, MD
Internal Medicine Physician · Worcester, MA
Ronald B. Cruz, MD is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1710962154, issued on Dec 8, 2005. Check the license (Massachusetts 216617, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronald B. Cruz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 216617 MA
Self-reported in NPPES; status is on the state search - Practice location
- 291 Lincoln St, Worcester, MA 01605
- Phone
- (508) 799-2922
- Enumerated
- Dec 8, 2005
- Record last updated
- Nov 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (508) 755-4075
- Medicaid ID
- 2013291 MA
- Medicare enrollment
- Enrolled (PECOS I20031205000244); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 291 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexis Brenya, MDPediatrics Physician1548962400
- Tracy Cormier, NPNurse Practitioner1083829014
- Don Deprez, M.D.Obstetrics & Gynecology Physician1700981594
Verify Ronald B. Cruz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 216617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,837 Medicare Part D claims for 239 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 376 claims were for opioids.
Most prescribed
- Atorvastatin Calcium582 claims
- Omeprazole293 claims
- Losartan Potassium258 claims
- Metoprolol Succinate241 claims
- Metformin Hcl238 claims
- Oxycodone-Acetaminophen180 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: $192.77
14 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- 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).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 448 in Worcester → All 6,825 in Massachusetts → Every provider in Worcester →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
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- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Ronald B. Cruz, MD's NPI number?
Ronald B. Cruz, MD's National Provider Identifier (NPI) is 1710962154, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald B. Cruz, MD located?
The NPPES record lists a practice address at 291 Lincoln St, Worcester, MA, 01605. Phone: (508) 799-2922. Providers update this record themselves, so call before visiting.
How can I verify Ronald B. Cruz, MD's license?
NPPES lists Massachusetts license number 216617, 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 Ronald B. Cruz, MD prescribe under Medicare Part D?
In 2024, Ronald B. Cruz, MD had 6,837 Medicare Part D claims for 239 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.