Ronald J. Schwartz, MD
Geriatric Medicine (Internal Medicine) Physician · West Haven, CT
Ronald J. Schwartz, MD is a geriatric medicine (internal medicine) physician with a practice address in West Haven, Connecticut, and NPI 1427034784, issued on Dec 19, 2005. Check the license (Connecticut 033590, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ronald J. Schwartz
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 033590 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Cellini PL Ste 102, West Haven, CT 06516
- Phone
- (203) 932-6481
- Enumerated
- Dec 19, 2005
- Record last updated
- Feb 28, 2023
- Medicaid ID
- 001335901 CT
- Medicare enrollment
- Enrolled (PECOS I20100113000053); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 104 in Connecticut → Look up another NPI →
Also registered at 1 Cellini PL Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Allyn, PA-CPhysician Assistant1912321803
- Allison Altenburger, APRN, NP-CAdult Health Nurse Practitioner1033503230
- Evan Angelus, MDInternal Medicine Physician1538788609
- Michael Ascenzia, P.A.-CMedical Physician Assistant1932351673
- Annie AugustinePrimary Care Nurse Practitioner1992548259
- Horatiu Balas, M.D.Internal Medicine Physician1720084320
Verify Ronald J. Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
7,075 Medicare Part D claims for 366 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 46 claims were for opioids.
Most prescribed
- Atorvastatin Calcium359 claims
- Eliquis312 claims
- Trazodone Hcl303 claims
- Levothyroxine Sodium300 claims
- Amlodipine Besylate293 claims
- Furosemide269 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Hhc Physician Services PLLCWallingford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald J. Schwartz among 104 geriatric medicine (internal medicine) physician records in Connecticut
Ronald J. Schwartz, MD is one of 104 geriatric medicine (internal medicine) physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1984 · median 1998 among the 68 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Connecticut
There are 104 geriatric medicine (internal medicine) physician records in Connecticut.
All 104 in Connecticut → Every provider in West Haven → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Jan ClarkeWest Haven, CT 065161508875683
- Andrew CohenWest Haven, CT 065161255573697
- Simina Clara Ionescu, MDWest Haven, CT 065161396952024
- Maura Singh, M.D.West Haven, CT 065161922340413
- Geraldine Fabregas, MDNew Haven, CT 065151477583540
- Jesse Chua-Reyes, M.D.New Haven, CT 065191669473724
- Leo Cooney, MDNew Haven, CT 065191992787287
- Ann Datunashvili, M.D.New Haven, CT 065191376544932
Common questions
What is Ronald J. Schwartz, MD's NPI number?
Ronald J. Schwartz, MD's National Provider Identifier (NPI) is 1427034784, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Schwartz, MD located?
The NPPES record lists a practice address at 1 Cellini PL Ste 102, West Haven, CT, 06516. Phone: (203) 932-6481. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Schwartz, MD's license?
NPPES lists Connecticut license number 033590, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald J. Schwartz, MD prescribe under Medicare Part D?
In 2024, Ronald J. Schwartz, MD had 7,075 Medicare Part D claims for 366 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Ronald J. Schwartz, MD's MIPS final score?
The 2023 MIPS final score is 90.7 of 100, reported for the practice group. 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.