Lucas R. Ryback, MD
Internal Medicine Physician · Fall River, MA
Lucas R. Ryback, MD is an internal medicine physician with a practice address in Fall River, Massachusetts, and NPI 1164582508, issued on Dec 8, 2006. Check the license (Massachusetts 232910, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lucas R. Ryback
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 232910 MA
Self-reported in NPPES; status is on the state search - Practice location
- 534 Prospect St, Fall River, MA 02720
- Phone
- (508) 973-7766
- Enumerated
- Dec 8, 2006
- Record last updated
- Apr 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (508) 973-7753
- Medicaid ID
- 110077588A MA
- Medicare enrollment
- Enrolled (PECOS I20071026000207); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2003
- 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 534 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Babb, MDInternal Medicine Physician1134342298
- Taylor Bardsley, FNP-CNurse Practitioner1417792524
- Brianne Castro, FNP-BCNurse Practitioner1790514735
- Bamidele Fagbola, DNP, AGPCNPNurse Practitioner1265002075
- Fatima MedeirosNurse Practitioner1144757998
- Linda Paiva, NPNurse Practitioner1619302023
Verify Lucas R. Ryback in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 232910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average internal medicine physician in 2024
4,814 Medicare Part D claims for 535 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium411 claims
- Amlodipine Besylate170 claims
- Lisinopril164 claims
- Rosuvastatin Calcium153 claims
- Metformin Hcl146 claims
- Metoprolol Succinate120 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
- Southcoast Physicians Group IncFall River, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lucas R. Ryback among 6,825 internal medicine physician records in Massachusetts
Lucas R. Ryback, 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 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
- Graduated2003 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 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).
62 internal medicine physician records list a practice address in Fall River
They are 62 of the 3,032 NPPES records with a practice address in Fall River, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Fall River → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Miguel Brillantes, MDFall River, MA 027201609878859
- Mark Hilty, MDFall River, MA 027201609863729
- Ossama Labib, M.D.Fall River, MA 027201225033673
- Nicole McDonald, M.D.Fall River, MA 027201992744080
- Irina Merport, M.D.Fall River, MA 027201992760912
- Harvey Reback, MDFall River, MA 027201285668947
- Ronald Schwartz, M.D.Fall River, MA 027201477519080
- Kenath Shamir, M.D.Fall River, MA 027201811952955
Common questions
What is Lucas R. Ryback, MD's NPI number?
Lucas R. Ryback, MD's National Provider Identifier (NPI) is 1164582508, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lucas R. Ryback, MD located?
The NPPES record lists a practice address at 534 Prospect St, Fall River, MA, 02720. Phone: (508) 973-7766. Providers update this record themselves, so call before visiting.
How can I verify Lucas R. Ryback, MD's license?
NPPES lists Massachusetts license number 232910, 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 Lucas R. Ryback, MD prescribe under Medicare Part D?
In 2024, Lucas R. Ryback, MD had 4,814 Medicare Part D claims for 535 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.