Rosemary J-L Powers, M.D.
Pediatrics Physician · Derwood, MD
Rosemary J-L Powers, M.D. is a pediatrics physician with a practice address in Derwood, Maryland, and NPI 1841546033, issued on Jul 25, 2012. Check the license (Maryland D0062741, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Rosemary J-L Powers
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- D0062741 MD
Self-reported in NPPES; status is on the state search - Practice location
- 15851 Crabbs Branch Way, Derwood, MD 20855
- Phone
- (240) 753-3718
- Enumerated
- Jul 25, 2012
- Record last updated
- Feb 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (240) 465-0396
- Medicaid ID
- 6206026-00 MD
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
Verify Rosemary J-L Powers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0062741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average pediatrics physician in 2024
55 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium25 claims
- Lactulose12 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.
Rosemary J-L Powers among 1,842 pediatrics physician records in Maryland
Rosemary J-L Powers, M.D. is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Maryland
There are 1,842 pediatrics physician records in Maryland.
All 1,842 in Maryland → Every provider in Derwood → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Karen Lee, MD MPHRockville, MD 208551487798476
- Stephen Chanock, M.D.Potomac, MD 208541013038256
- Carol Cutts, MDPotomac, MD 208541104145168
- M Hanson, MDPotomac, MD 208541689947780
- Amy Hapip, MDPotomac, MD 208541619396561
- Stephanie Hart, MDRockville, MD 208541578630828
- Peter Konigsberg, M.D.Potomac, MD 208541861765968
- Mallory LostumboRockville, MD 208541073923132
Common questions
What is Rosemary J-L Powers, M.D.'s NPI number?
Rosemary J-L Powers, M.D.'s National Provider Identifier (NPI) is 1841546033, issued on Jul 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Rosemary J-L Powers, M.D. located?
The NPPES record lists a practice address at 15851 Crabbs Branch Way, Derwood, MD, 20855. Phone: (240) 753-3718. Providers update this record themselves, so call before visiting.
How can I verify Rosemary J-L Powers, M.D.'s license?
NPPES lists Maryland license number D0062741, 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 Rosemary J-L Powers, M.D. prescribe under Medicare Part D?
In 2024, Rosemary J-L Powers, M.D. had 55 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.