Umar Riaz Ahmad, D.O.
Endocrinology, Diabetes & Metabolism Physician · Danbury, CT
Umar Riaz Ahmad, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Danbury, Connecticut, and NPI 1336589746, issued on Jun 29, 2013. Check the license (Connecticut 59987, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Umar Riaz Ahmad
- Credential
- D.O.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 59987 CT
266450 MA
Self-reported in NPPES; status is on the state search - Practice location
- 25 Germantown RD, Danbury, CT 06810
- Phone
- (203) 794-5620
- Enumerated
- Jun 29, 2013
- Record last updated
- Mar 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (203) 794-5642
- Medicare enrollment
- Enrolled (PECOS I20180614000665); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Also registered at 25 Germantown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adey Abebe, APRNFamily Nurse Practitioner1558914648
- Teresa Cichosz, AGNP-C, CDCESAdult Health Nurse Practitioner1245727437
- Marie Elena Cordisco, APRNFamily Nurse Practitioner1265617310
- Lawrence Fisher, M.D.Specialist1265427751
- Amanda FuscoNurse Practitioner1689025306
- Kristen Jackson, MDEndocrinology, Diabetes & Metabolism Physician1255727558
Verify Umar Riaz Ahmad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 59987Check 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% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,942 Medicare Part D claims for 823 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium540 claims
- Ozempic313 claims
- Lantus Solostar254 claims
- Jardiance249 claims
- Mounjaro246 claims
- Metformin Hcl241 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): 94.2 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: $72.40
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Nuvance Health Medical Practice CT IncDanbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Umar Riaz Ahmad among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Umar Riaz Ahmad, D.O. is one of 214 endocrinology, diabetes & metabolism 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 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2013 · median 2004 among the 145 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in Danbury → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Kristen Jackson, MDDanbury, CT 068101255727558
- Marcos Lamas, M.D.Danbury, CT 068101154618700
- Karen McCloskey, M.D.Danbury, CT 068101972982205
- Lydia McGuigan, D.O.Danbury, CT 068101326334517
- Natalie Mora, MDDanbury, CT 068101841606498
- Rea Nagy, M.D.Danbury, CT 068101962820662
- Herbert Prawius, M.D.Danbury, CT 068101740221571
- Robert Savino, M.D.Danbury, CT 068101700807245
Common questions
What is Umar Riaz Ahmad, D.O.'s NPI number?
Umar Riaz Ahmad, D.O.'s National Provider Identifier (NPI) is 1336589746, issued on Jun 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Umar Riaz Ahmad, D.O. located?
The NPPES record lists a practice address at 25 Germantown RD, Danbury, CT, 06810. Phone: (203) 794-5620. Providers update this record themselves, so call before visiting.
How can I verify Umar Riaz Ahmad, D.O.'s license?
NPPES lists Connecticut license number 59987, 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 Umar Riaz Ahmad, D.O. prescribe under Medicare Part D?
In 2024, Umar Riaz Ahmad, D.O. had 4,942 Medicare Part D claims for 823 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Umar Riaz Ahmad, D.O.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.