Dhasakumar S. Navaratnam, MD
Neurology Physician · New Haven, CT
Dhasakumar S. Navaratnam, MD is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1528041738, issued on Nov 22, 2005. Check the license (Connecticut 039965, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Dhasakumar S. Navaratnam
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 039965 CT
Self-reported in NPPES; status is on the state search - Practice location
- 40 Temple St, New Haven, CT 06510
- Phone
- (203) 785-4085
- Enumerated
- Nov 22, 2005
- Record last updated
- Mar 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 737-1597
- Medicaid ID
- 001399650 CT
- Medicare enrollment
- Enrolled (PECOS I20100614000432); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 345 in Connecticut → Look up another NPI →
Also registered at 40 Temple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Yonca Arat, MDOphthalmic Plastic and Reconstructive Surgery Physician1861646986
- Harry Aslanian, MDGastroenterology Physician1295718401
- Ashley Beesley, FNPFamily Nurse Practitioner1629834585
- Jennifer Bennick, APRNFamily Nurse Practitioner1770886764
Verify Dhasakumar S. Navaratnam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average neurology physician in 2024
162 Medicare Part D claims for 45 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium22 claims
- Venlafaxine Hcl Er20 claims
- Carbamazepine Er12 claims
- Hydrochlorothiazide12 claims
- Spironolactone12 claims
- Triamterene-Hydrochlorothiazid11 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): 73.6 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
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dhasakumar S. Navaratnam among 345 neurology physician records in Connecticut
Dhasakumar S. Navaratnam, MD is one of 345 neurology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2009 among the 216 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 neurology physician records list a practice address in New Haven
They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.
All 345 in Connecticut → Every provider in New Haven → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Susan Arnold, MDNew Haven, CT 065101720040587
- Hal Blumenfeld, MDNew Haven, CT 065101982687109
- David Hafler, MDNew Haven, CT 065101689602054
- Richard Mattson, MDNew Haven, CT 065101578536538
- Steven Novella, MDNew Haven, CT 065101518949254
- Huned Patwa, MDNew Haven, CT 065101588649792
- Ognen Petroff, MDNew Haven, CT 065101427030162
- Jana Preiningerova, MDNew Haven, CT 065101336121078
Common questions
What is Dhasakumar S. Navaratnam, MD's NPI number?
Dhasakumar S. Navaratnam, MD's National Provider Identifier (NPI) is 1528041738, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dhasakumar S. Navaratnam, MD located?
The NPPES record lists a practice address at 40 Temple St, New Haven, CT, 06510. Phone: (203) 785-4085. Providers update this record themselves, so call before visiting.
How can I verify Dhasakumar S. Navaratnam, MD's license?
NPPES lists Connecticut license number 039965, 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 Dhasakumar S. Navaratnam, MD prescribe under Medicare Part D?
In 2024, Dhasakumar S. Navaratnam, MD had 162 Medicare Part D claims for 45 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Dhasakumar S. Navaratnam, MD's MIPS final score?
The 2023 MIPS final score is 73.6 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.