Shannen K. Allen, MD
Ophthalmology Physician · Rockville, MD
Shannen K. Allen, MD is an ophthalmology physician with a practice address in Rockville, Maryland, and NPI 1407876360, issued on Jul 20, 2006. Check the license (Maryland D0064522, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Shannen K. Allen
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D0064522 MD
Self-reported in NPPES; status is on the state search - Practice location
- 15005 Shady Grove RD., Rockville, MD 20850
- Phone
- (301) 279-9696
- Enumerated
- Jul 20, 2006
- Record last updated
- Jul 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (301) 251-5454
- Medicaid ID
- 547371100 MD
- Medicare enrollment
- Enrolled (PECOS I20061016000468); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2002
- Entity
- Type 1 · individual
Also registered at 15005 Shady Grove RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Feldman, MDOphthalmology Physician1689610321
- Terry Kwak, MDOphthalmology Physician1497708184
- Nancy Surig, MDOphthalmology Physician1871737676
Verify Shannen K. Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0064522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average ophthalmology physician in 2024
576 Medicare Part D claims for 165 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost188 claims
- Dorzolamide-Timolol116 claims
- Tobramycin-Dexamethasone36 claims
- Lumigan28 claims
- Brimonidine Tartrate26 claims
- Neomycin-Polymyxin-Dexameth23 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): 75.3 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: $1,363.65
48 payments; by number, the most common kind was food and beverage; the largest payer was Mallinckrodt Hospital Products Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Robert C. Feldman, MD, PARockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
Other ophthalmology physician records in Maryland
- Abdulrahman Abodarahim, MBBCHBaltimore, MD1770182560
- Donald Abrams, M.D.Baltimore, MD1841253218
- Lisa Abrams, M.D.Lutherville, MD1972582393
- Neal Adams, MDSilver Spring, MD1851354500
- Richard Adler, M.D.Baltimore, MD1629076179
- Arturo Aglubat, M.D.Bel Air, MD1609855055
- Omar Ahmad, MDWaldorf, MD1093715310
- Zaaira Ahmad, MDSalisbury, MD1154591964
- Ishrat Ahmed, MDBaltimore, MD1659828432
- Esen Akpek, M.D.Baltimore, MD1851356943
Common questions
What is Shannen K. Allen, MD's NPI number?
Shannen K. Allen, MD's National Provider Identifier (NPI) is 1407876360, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shannen K. Allen, MD located?
The NPPES record lists a practice address at 15005 Shady Grove RD., Rockville, MD, 20850. Phone: (301) 279-9696. Providers update this record themselves, so call before visiting.
How can I verify Shannen K. Allen, MD's license?
NPPES lists Maryland license number D0064522, 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 Shannen K. Allen, MD prescribe under Medicare Part D?
In 2024, Shannen K. Allen, MD had 576 Medicare Part D claims for 165 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Shannen K. Allen, MD's MIPS final score?
The 2023 MIPS final score is 75.3 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.