John Farens, MD
Internal Medicine Physician · Shelton, CT
John Farens, MD is an internal medicine physician with a practice address in Shelton, Connecticut, and NPI 1427133354, issued on Oct 26, 2006. Check the license (Connecticut 028528, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Farens
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 028528 CT
Self-reported in NPPES; status is on the state search - Practice location
- 224 Leavenworth RD, Shelton, CT 06484
- Phone
- (203) 926-1206
- Enumerated
- Oct 26, 2006
- Record last updated
- Jan 5, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 926-0413
- Medicaid ID
- 1285289 CT
- Medicare enrollment
- Enrolled (PECOS I20110509000193); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 224 Leavenworth RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bharvi Balar, MDFamily Medicine Physician1487187498
- Sheetal Sharma, APRNFamily Nurse Practitioner1437967288
- Jaclyn Thompson, PA-CPhysician Assistant1316388077
Verify John Farens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,202 Medicare Part D claims for 657 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. 94 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium673 claims
- Amlodipine Besylate546 claims
- Atorvastatin Calcium385 claims
- Olmesartan Medoxomil345 claims
- Levothyroxine Sodium308 claims
- Metformin Hcl274 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 MIPS final score for 2023 (Medicare payment program): 97.3 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).
Industry payments in 2024: $4,423.33
208 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Griffin Faculty Physicians IncShelton, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Farens among 2,623 internal medicine physician records in Connecticut
John Farens, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1977 · median 2004 among the 1,646 with a school on file
- Record last updated2011 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Shelton
They are 10 of the 811 NPPES records with a practice address in Shelton, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Shelton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bardia Asgari, MDShelton, CT 064841811938533
- Ana Graciela Azueta-Jimenez, MDShelton, CT 064841083293518
- Piotr Baginski, MDShelton, CT 064841164449906
- Nami Bayan, MDShelton, CT 064841760413538
- Nelson Chao, M.D.Shelton, CT 064841619974896
- Shaun Najarian, DOShelton, CT 064841568824589
- Michael Naso, M.D.Shelton, CT 064841538423488
- Lenore Snowden Opalak, M.D.Shelton, CT 064841033163605
Common questions
What is John Farens, MD's NPI number?
John Farens, MD's National Provider Identifier (NPI) is 1427133354, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Farens, MD located?
The NPPES record lists a practice address at 224 Leavenworth RD, Shelton, CT, 06484. Phone: (203) 926-1206. Providers update this record themselves, so call before visiting.
How can I verify John Farens, MD's license?
NPPES lists Connecticut license number 028528, 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 John Farens, MD prescribe under Medicare Part D?
In 2024, John Farens, MD had 8,202 Medicare Part D claims for 657 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Farens, MD's MIPS final score?
The 2023 MIPS final score is 97.3 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.