Doreen Blake, M.D.
Internal Medicine Physician · Largo, MD
Doreen Blake, M.D. is an internal medicine physician with a practice address in Largo, Maryland, and NPI 1043209331, issued on Oct 19, 2005. Check the license (Maryland D39421, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Doreen Blake
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D39421 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Mercantile LN, Largo, MD 20774
- Phone
- (301) 925-7610
- Enumerated
- Oct 19, 2005
- Entity
- Type 1 · individual
Also registered at 1450 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meetu Agrawal, MDInternal Medicine Physician1679821458
- David Gooray, MDCardiovascular Disease Physician1720070261
- Susan Jenkins, M.DGynecology Physician1942299417
- Jatin Matta, PA-C, MPASPhysician Assistant1316232135
- Linda Sloan, M.D.Internal Medicine Physician1699764977
- Lisa Thompson, DDSGeneral Practice Dentistry1568512242
Verify Doreen Blake in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D39421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
18% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,271 Medicare Part D claims for 398 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate267 claims
- Atorvastatin Calcium176 claims
- Losartan Potassium98 claims
- Olmesartan Medoxomil91 claims
- Metformin Hcl79 claims
- Hydrochlorothiazide68 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.
Industry payments in 2024: $1,082.91
57 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Luminis Health Medical Group, LLCLargo, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
43 internal medicine physician records list a Largo practice address
They are 43 of the 651 NPPES records with a Largo practice address, and 4,220 internal medicine physician records in Maryland.
All 43 in Largo → All 4,220 in Maryland → Every provider in Largo →
Other internal medicine physician records in Maryland
- Joshua Aaron, MDElkton, MD1396703351
- Alina Aasim, M.D.Baltimore, MD1174057905
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Shastine Abate, MDBaltimore, MD1922199405
- Ghulam Abbas, MDFrederick, MD1477658045
- Hashim AbbasBaltimore, MD1396171070
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
Common questions
What is Doreen Blake, M.D.'s NPI number?
Doreen Blake, M.D.'s National Provider Identifier (NPI) is 1043209331, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Doreen Blake, M.D. located?
The NPPES record lists a practice address at 1450 Mercantile LN, Largo, MD, 20774. Phone: (301) 925-7610. Providers update this record themselves, so call before visiting.
How can I verify Doreen Blake, M.D.'s license?
NPPES lists Maryland license number D39421, 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 Doreen Blake, M.D. prescribe under Medicare Part D?
In 2024, Doreen Blake, M.D. had 2,271 Medicare Part D claims for 398 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.