Doctor profile · Federal record

Dr. John Downs, M.D.

Medical Oncology Physician (CMS: Hematology/Oncology) · Towson, MD

  • NPI 1093780496
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
7505 Osler Dr, Suite 302
Towson, MD 212047736
(410) 494-9099
fax (410) 825-5307
Additional location
12500 Willowbrook RD
Cumberland, MD 215026393
(240) 964-7000
Additional location
12502 Willowbrook RD Ste 440
Cumberland, MD 215026567
(240) 964-8680
fax (240) 964-8688
Mailing address
2401W Belvedere Ave, Credentialing Department
Baltimore, MD 212155216

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 22, 2020
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Maryland #D0033624
Medicaid
MD #475951600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093780496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
426
Distinct HCPCS
8
Medicare allowed
$56,071
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 197 99 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 62 57 $97
99203 New patient office or other outpatient visit, 30-44 minutes 61 61 $118
99215 Established patient office or other outpatient visit, 40-54 minutes 34 25 $192
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $179
99442 Telephone medical discussion with physician, 11-20 minutes 16 13 $97
99443 Telephone medical discussion with physician, 21-30 minutes 16 13 $136
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $61

In context: peer comparison

Among 2 peers in this city , average services per provider: 228. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
89
Patients
0
Total drug cost
$24,833
Drug Type Claims Patients Total cost
Hydroxyurea Generic 26 0 $585
Eliquis (Apixaban) Brand 23 0 $16,285
Oxycodone Hcl Generic 16 0 $265
Xarelto (Rivaroxaban) Brand 13 0 $7,641
Dexamethasone Generic 11 0 $57

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Downs's medical specialty?
Dr. John Downs practices Medical Oncology Physician in Towson, MD.
Where does Dr. John Downs practice?
Dr. John Downs practices at 7505 Osler Dr, Towson, MD 212047736. Office phone: 4104949099.
What is Dr. John Downs's NPI?
Dr. John Downs's National Provider Identifier (NPI) is 1093780496, issued by NPPES.
Does Dr. John Downs accept Medicare assignment?
Yes. Dr. John Downs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Downs commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.