Mary Ruth Windham, MD
Endocrinology, Diabetes & Metabolism Physician · Branford, CT
Mary Ruth Windham, MD is an endocrinology, diabetes & metabolism physician with a practice address in Branford, Connecticut, and NPI 1417485830, issued on May 30, 2017. Check the license (Connecticut 64905, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary Ruth Windham
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 64905 CT
Self-reported in NPPES; status is on the state search - Practice location
- 688 E Main St Ste 1A, Branford, CT 06405
- Phone
- (203) 488-5885
- Enumerated
- May 30, 2017
- Record last updated
- Aug 8, 2024
- Fax
- (203) 488-5899
- Medicare enrollment
- Enrolled (PECOS I20240806000963); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Verify Mary Ruth Windham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 64905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
100 Medicare Part D claims for 61 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Levothyroxine Sodium13 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.
Industry payments in 2024: $389.96
12 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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
- Endocrine Assoc OF CT LLCBranford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Ruth Windham among 214 endocrinology, diabetes & metabolism physician records in Connecticut
Mary Ruth Windham, MD 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 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2004 among the 145 with a school on file
- Record last updated2024 · 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 Branford → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jean Henry, M.D.Branford, CT 064051023174745
- Reza Yavari, M.D.Branford, CT 064051053477703
- Vallari Kothari, M.D.Ansonia, CT 064011942685292
- David Moll, M.D.Ansonia, CT 064011831186584
- Liqun Song, M.D.Ansonia, CT 064011699839852
- Chi Tang, MDAnsonia, CT 064011013263870
- Richard Kayne, MDCheshire, CT 064101982709630
- Genevieve Kela, MDDerby, CT 064181003466160
Common questions
What is Mary Ruth Windham, MD's NPI number?
Mary Ruth Windham, MD's National Provider Identifier (NPI) is 1417485830, issued on May 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ruth Windham, MD located?
The NPPES record lists a practice address at 688 E Main St Ste 1A, Branford, CT, 06405. Phone: (203) 488-5885. Providers update this record themselves, so call before visiting.
How can I verify Mary Ruth Windham, MD's license?
NPPES lists Connecticut license number 64905, 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 Mary Ruth Windham, MD prescribe under Medicare Part D?
In 2024, Mary Ruth Windham, MD had 100 Medicare Part D claims for 61 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
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.