Iris Ruth Hartley, M.D.
Endocrinology, Diabetes & Metabolism Physician · Bethesda, MD
Iris Ruth Hartley, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Bethesda, Maryland, and NPI 1093135998, issued on Apr 18, 2014. Check the license (Maryland D82936, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Iris Ruth Hartley
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- D82936 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10 Center Dr # OP9, Bethesda, MD 20892
- Phone
- (301) 496-6821
- Enumerated
- Apr 18, 2014
- Record last updated
- May 18, 2023
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Verify Iris Ruth Hartley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D82936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
11 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Crysvita11 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.
Iris Ruth Hartley among 314 endocrinology, diabetes & metabolism physician records in Maryland
Iris Ruth Hartley, M.D. is one of 314 endocrinology, diabetes & metabolism physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2023 · 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 Maryland 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 Maryland
There are 314 endocrinology, diabetes & metabolism physician records in Maryland.
All 314 in Maryland → Every provider in Bethesda → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Ghadah Al-Naqeeb, M.B.CH.BBethesda, MD 208921487185948
- Maines Aviles-Santa, M.D.Bethesda, MD 208921427049170
- Michael Collins, M.D.Bethesda, MD 208921336382712
- Ifechukwude Ebenuwa, M.D.Bethesda, MD 208921376823997
- Mats Elenius, MDBethesda, MD 208921871070615
- Judith Fradkin, M.D.Bethesda, MD 208921649337163
- Marvin Gershengorn, M.D.Bethesda, MD 208921114228137
- Phillip GordenBethesda, MD 208921427567163
Common questions
What is Iris Ruth Hartley, M.D.'s NPI number?
Iris Ruth Hartley, M.D.'s National Provider Identifier (NPI) is 1093135998, issued on Apr 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Iris Ruth Hartley, M.D. located?
The NPPES record lists a practice address at 10 Center Dr # OP9, Bethesda, MD, 20892. Phone: (301) 496-6821. Providers update this record themselves, so call before visiting.
How can I verify Iris Ruth Hartley, M.D.'s license?
NPPES lists Maryland license number D82936, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Iris Ruth Hartley, M.D. prescribe under Medicare Part D?
In 2024, Iris Ruth Hartley, M.D. had 11 Medicare Part D claims; 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.