Subramanian Krishnan, MD
Cardiovascular Disease Physician · Middletown, CT
Subramanian Krishnan, MD is a cardiovascular disease physician with a practice address in Middletown, Connecticut, and NPI 1528267358, issued on Jul 12, 2007. Check the license (Connecticut 047551, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Subramanian Krishnan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 047551 CT
Self-reported in NPPES; status is on the state search - Practice location
- 420 Saybrook RD, Middletown, CT 06457
- Phone
- (860) 347-4258
- Enumerated
- Jul 12, 2007
- Record last updated
- Nov 7, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091022000108); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 420 Saybrook RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keshava Aithal, MDCardiovascular Disease Physician1811005713
- Nicola Calabrese, APRNAcute Care Nurse Practitioner1700155603
- Wendy Caruso, APRNFamily Nurse Practitioner1821268145
- Jude Clancy, MDClinical Cardiac Electrophysiology Physician1124016217
- Joseph Corning, MDCardiovascular Disease Physician1669580569
- Stephen Franklin, MDCardiovascular Disease Physician1134237035
Verify Subramanian Krishnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047551Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,218 Medicare Part D claims for 754 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Eliquis581 claims
- Metoprolol Succinate307 claims
- Furosemide187 claims
- Atorvastatin Calcium169 claims
- Rosuvastatin Calcium157 claims
- Xarelto129 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): 84.5 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).
Industry payments in 2024: $26.89
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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
- Hartford Healthcare Medical Group Specialists PLLCMiddletown, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Subramanian Krishnan among 503 cardiovascular disease physician records in Connecticut
Subramanian Krishnan, MD is one of 503 cardiovascular disease physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2001 · median 2000 among the 348 with a school on file
- Record last updated2019 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Connecticut
There are 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in Middletown → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Khaled AbazaMiddletown, CT 064571255986121
- Keshava Aithal, MDMiddletown, CT 064571811005713
- Joseph Corning, MDMiddletown, CT 064571669580569
- Stephen Franklin, MDMiddletown, CT 064571134237035
- David Gallo, MDMiddletown, CT 064571609984509
- Manju JohnMiddletown, CT 064571194987313
- Joseph Longhitano, MDMiddletown, CT 064571639180938
- Arthur McDowell, MDMiddletown, CT 064571568576452
Common questions
What is Subramanian Krishnan, MD's NPI number?
Subramanian Krishnan, MD's National Provider Identifier (NPI) is 1528267358, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Subramanian Krishnan, MD located?
The NPPES record lists a practice address at 420 Saybrook RD, Middletown, CT, 06457. Phone: (860) 347-4258. Providers update this record themselves, so call before visiting.
How can I verify Subramanian Krishnan, MD's license?
NPPES lists Connecticut license number 047551, 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 Subramanian Krishnan, MD prescribe under Medicare Part D?
In 2024, Subramanian Krishnan, MD had 3,218 Medicare Part D claims for 754 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Subramanian Krishnan, MD's MIPS final score?
The 2023 MIPS final score is 84.5 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.