Nitai Riegler, MD
Internal Medicine Physician · Milford, CT
Nitai Riegler, MD is an internal medicine physician with a practice address in Milford, Connecticut, and NPI 1225124514, issued on Oct 5, 2006. Check the license (Connecticut 033289, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nitai Riegler
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 033289 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1622 Boston Post RD, Milford, CT 06460
- Phone
- (475) 209-9130
- Enumerated
- Oct 5, 2006
- Record last updated
- Mar 22, 2024
- Fax
- (203) 298-4380
- Medicare enrollment
- Enrolled (PECOS I20120309000150); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 1622 Boston Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Trudi Schultz, APRNFamily Nurse Practitioner1235907569
- Lena Wu Rivas, M.D.Internal Medicine Physician1679806046
Verify Nitai Riegler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 033289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average internal medicine physician in 2024
5,698 Medicare Part D claims for 508 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 30 claims were for opioids.
Most prescribed
- Losartan Potassium257 claims
- Rosuvastatin Calcium246 claims
- Amlodipine Besylate224 claims
- Albuterol Sulfate Hfa199 claims
- Atorvastatin Calcium186 claims
- Pravastatin Sodium182 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).
Industry payments in 2024: $19.56
1 payment: food and beverage; the largest payer was Amgen Inc. 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 2 group practices
- Hhc Physician Services PLLCWest Haven, CT
- Rehabilitation Associates IncFairfield, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nitai Riegler among 2,623 internal medicine physician records in Connecticut
Nitai Riegler, 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
- Graduated1986 · median 2004 among the 1,646 with a school on file
- Record last updated2024 · 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).
33 internal medicine physician records list a practice address in Milford
They are 33 of the 1,073 NPPES records with a practice address in Milford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Milford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Beaulieu, M. D.Milford, CT 064601588608384
- Robin Brammer, DOMilford, CT 064601275575995
- Deborah Caserta-Brunson, MDMilford, CT 064601659392363
- Dean Har, MDMilford, CT 064601104857150
- Shobha Jagadeesh, MDMilford, CT 064601174538508
- John Katsetos, MDMilford, CT 064601831121979
- Aleflor Ragaza, MDMilford, CT 064601841275666
- Michael Rudolph, M.D.Milford, CT 064601700999000
Common questions
What is Nitai Riegler, MD's NPI number?
Nitai Riegler, MD's National Provider Identifier (NPI) is 1225124514, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nitai Riegler, MD located?
The NPPES record lists a practice address at 1622 Boston Post RD, Milford, CT, 06460. Phone: (475) 209-9130. Providers update this record themselves, so call before visiting.
How can I verify Nitai Riegler, MD's license?
NPPES lists Connecticut license number 033289, 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 Nitai Riegler, MD prescribe under Medicare Part D?
In 2024, Nitai Riegler, MD had 5,698 Medicare Part D claims for 508 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nitai Riegler, 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.