Adam J. Maass, MD
Endocrinology, Diabetes & Metabolism Physician · Springdale, AR
Adam J. Maass, MD is an endocrinology, diabetes & metabolism physician with a practice address in Springdale, Arkansas, and NPI 1841258738, issued on May 2, 2006. Check the license (Arkansas E2582, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Adam J. Maass
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- E2582 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 Greathouse Springs RD, Springdale, AR 72762
- Phone
- (479) 757-1730
- Enumerated
- May 2, 2006
- Record last updated
- Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 58 in Arkansas → Look up another NPI →
Also registered at 4301 Greathouse Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adam J. Maass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E2582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
182 Medicare Part D claims for 16 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Mounjaro25 claims
- Synthroid17 claims
- Amiloride Hcl13 claims
- 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.
Adam J. Maass among 58 endocrinology, diabetes & metabolism physician records in Arkansas
Adam J. Maass, MD is one of 58 endocrinology, diabetes & metabolism physician records with a practice address in Arkansas. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 60% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2020 · 59% 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 Arkansas 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 Arkansas
There are 58 endocrinology, diabetes & metabolism physician records in Arkansas.
All 58 in Arkansas → Every provider in Springdale → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Nadine Alex, MDRogers, AR 727581316905409
- Lyndell Horine, MDRogers, AR 727581699932319
- Prajesh Joshi, MDRogers, AR 727581316100654
- Jason Daily, M.D.Fayetteville, AR 727031043290836
- Lauren Hawkins, M.D.Fayetteville, AR 727031952561599
- Catherine Kilpatrick, M.D.Fayetteville, AR 727031649407354
- Muhammad Houri, MDFort Smith, AR 729011154310423
- Eman Alhussain, M.DFort Smith, AR 729031174121784
Common questions
What is Adam J. Maass, MD's NPI number?
Adam J. Maass, MD's National Provider Identifier (NPI) is 1841258738, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam J. Maass, MD located?
The NPPES record lists a practice address at 4301 Greathouse Springs RD, Springdale, AR, 72762. Phone: (479) 757-1730. Providers update this record themselves, so call before visiting.
How can I verify Adam J. Maass, MD's license?
NPPES lists Arkansas license number E2582, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adam J. Maass, MD prescribe under Medicare Part D?
In 2024, Adam J. Maass, MD had 182 Medicare Part D claims for 16 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.