Doctor profile · Federal record

Dr. Doreen Blake, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Largo, MD

  • NPI 1043209331
  • Accepts Medicare
  • 39 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1450 Mercantile Ln, Suite 111
Largo, MD 207745376
(301) 925-7610
Mailing address
P.O. Box 12622
Belfast, ME 049154017

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
June 4, 2014
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D39421
Medicaid
MD #116600000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043209331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,025
Distinct HCPCS
10
Medicare allowed
$159,680
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 670 294 $115
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 282 82 $55
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 224 68 $45
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 200 200 $145
83036 Hemoglobin a1c level 131 82 $10
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 129 60 $44
G0008 Administration of influenza virus vaccine 97 97 $35
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 96 96 $76
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 73 73 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 52 48 $77

In context: peer comparison

Among 9 peers in Largo Internal Medicine Physician, average services per provider: 105. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,083
Transactions
57
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 17 $339.04
Novo Nordisk INC 16 $239.82
GlaxoSmithKline, LLC. 7 $131.90
Lilly USA, LLC 5 $113.95
Abbvie INC. 3 $71.78
Pfizer INC. 2 $42.14
Boehringer Ingelheim Pharmaceuticals, INC. 2 $36.39
Amgen INC. 1 $26.51
Dexcom, INC. 1 $22.76
Abbott Laboratories 1 $20.33
Idorsia Pharmaceuticals US INC 1 $19.68
Bayer Healthcare Pharmaceuticals INC. 1 $18.61

By nature of payment

Food and Beverage
$1,083

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
946
Patients
276
Total drug cost
$15,445
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 224 75 $2,523
Atorvastatin Calcium Generic 114 48 $1,878
Losartan Potassium Generic 86 29 $1,476
Metformin Hcl Generic 83 28 $588
Hydrochlorothiazide Generic 68 25 $250
Metoprolol Succinate Generic 65 18 $1,867
Olmesartan Medoxomil Generic 53 15 $1,968
Levothyroxine Sodium Generic 40 11 $393
Fluticasone Propionate Generic 39 0 $588
Omeprazole Generic 36 13 $756

Frequently asked questions

Auto-generated from federal data
What is Dr. Doreen Blake's medical specialty?
Dr. Doreen Blake practices Internal Medicine Physician in Largo, MD.
Where does Dr. Doreen Blake practice?
Dr. Doreen Blake practices at 1450 Mercantile Ln, Largo, MD 207745376. Office phone: 3019257610.
What is Dr. Doreen Blake's NPI?
Dr. Doreen Blake's National Provider Identifier (NPI) is 1043209331, issued by NPPES.
Does Dr. Doreen Blake accept Medicare assignment?
Yes. Dr. Doreen Blake accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Doreen Blake commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.