Dagmar R. Arnold, MD
Endocrinology, Diabetes & Metabolism Physician · Olney, MD
Dagmar R. Arnold, MD is an endocrinology, diabetes & metabolism physician with a practice address in Olney, Maryland, and NPI 1881649432, issued on May 23, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Dagmar R. Arnold
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD30795 DC
Self-reported in NPPES; status is on the state search - Practice location
- 18111 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 260-2130
- Enumerated
- May 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 260-2140
- Medicaid ID
- 780012600 MD
- Medicare enrollment
- Enrolled (PECOS I20111108000133); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 314 in Maryland → Look up another NPI →
Also registered at 18111 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dagmar R. Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,111 Medicare Part D claims for 199 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. 11 claims were for opioids.
Most prescribed
- Levothyroxine Sodium159 claims
- Atorvastatin Calcium110 claims
- Metformin Hcl Er100 claims
- Pioglitazone Hcl98 claims
- Mounjaro75 claims
- Rosuvastatin Calcium61 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): 80.2 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: $1,031.91
51 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
Dagmar R. Arnold among 314 endocrinology, diabetes & metabolism physician records in Maryland
Dagmar R. Arnold, MD 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1983 · median 2003 among the 193 with a school on file
- Record last updated2007 · 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 Olney → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Maryam Movassaghian, M.D.Olney, MD 208321659767358
- Maureen Passaro, M.D.Olney, MD 208321316940141
- Vandhna Sharma, M.D.Olney, MD 208321518321199
- Michael Bolognese, M.D.Bethesda, MD 208171184713190
- Beatriz Chanduvi, M.D.Bethesda, MD 208171770586109
- Jay ChungBethesda, MD 208171568884823
- Natasha Kasid, M.D.Bethesda, MD 208171366761082
- Linda Liu, M.D.Bethesda, MD 208171255334686
Common questions
What is Dagmar R. Arnold, MD's NPI number?
Dagmar R. Arnold, MD's National Provider Identifier (NPI) is 1881649432, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dagmar R. Arnold, MD located?
The NPPES record lists a practice address at 18111 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 260-2130. Providers update this record themselves, so call before visiting.
How can I verify Dagmar R. Arnold, MD's license?
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 Dagmar R. Arnold, MD prescribe under Medicare Part D?
In 2024, Dagmar R. Arnold, MD had 2,111 Medicare Part D claims for 199 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Dagmar R. Arnold, MD's MIPS final score?
The 2023 MIPS final score is 80.2 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.