DR. JOHN CHRISTOPHER DOWNS M.D.
NPI 1093780496
Internal Medicine - Medical Oncology in Towson, MD

Active since February 20, 2006PECOS EnrolledAccepts Medicare Assignment
7505 OSLER DR, SUITE 302, TOWSON, MD 21204(410) 494-9099(410) 825-5307 Get Directions Write a Review

NPPES record last updated: January 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 22, 2020, Nov 19, 2015 (2 updates tracked since 2015).

About Dr. John Christopher Downs M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN CHRISTOPHER DOWNS M.D. (NPI 1093780496) is an individual medical oncology provider in Towson, Maryland, licensed in Maryland (D0033624) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Medstar Montgomery Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093780496
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. JOHN CHRISTOPHER DOWNSCredential: M.D.
Location Address7505 OSLER DR, SUITE 302Towson, MD 21204-7736
Mailing Address2401w Belvedere Ave, Credentialing DepartmentBaltimore, MD 21215-5216 · (410) 601-6897 · Fax (410) 601-7005
Fax(410) 825-5307
Sole ProprietorNo
Medical School CMSState University Of Ny Upstate Medical UniversityGraduated 1981
Enumeration DateFebruary 20, 2006
Last NPPES UpdateJanuary 22, 20202 updates tracked since enumeration
NPI 1093780496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in MD · D0033624
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

7505 OSLER DR, Towson, MD 21204

Secondary Practice Locations 2

Location 112500 Willowbrook RdCumberland, MD 21502-6393 · Phone (240) 964-7000
Location 212502 Willowbrook Rd Ste 440Cumberland, MD 21502-6567 · Phone (240) 964-8680 · Fax (240) 964-8688

Other Identifiers 1

Medicaid475951600MD

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John Christopher Downs M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810904182
PECOS Enrollment IDI20090602000226, I20241205004129
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
112 services89 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
50 services47 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
25 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
20 services20 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210018
Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County
Emergency services Birthing friendly

Wellspan York Hospital

Acute Care Hospitals · York, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390046
Location1001 South George StreetYork, PA 17403 · York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
7505 OSLER DR, SUITE 308
TOWSON, MD 21204
Orthopaedic Surgery
7505 OSLER DR, SUITE 104
TOWSON, MD 21204
Pediatrics
7505 OSLER DR, SUITE 207
BALTIMORE, MD 21204
Pharmacist
7505 OSLER DR, #102
TOWSON, MD 21204
Pharmacist
7505 OSLER DR
TOWSON, MD 21204
Internal Medicine (Cardiovascular Disease)
7505 OSLER DR
TOWSON, MD 21204
Anesthesiology
7505 OSLER DR
TOWSON, MD 21204
Internal Medicine (Hematology & Oncology)
7505 OSLER DR, SUITE 302
TOWSON, MD 21204

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Downs's NPI number?

The NPI number for John Downs is 1093780496. It was assigned to this individual provider in the NPPES registry on February 20, 2006.

Where is John Downs located?

John Downs practices at 7505 Osler Dr Suite 302, Towson, MD 21204. The listed phone number is (410) 494-9099.

What is John Downs's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is John Downs enrolled in Medicare?

Yes. John Downs is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Downs accept?

Health plans from CareSource list John Downs as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Downs affiliated with any hospitals?

According to CMS data, John Downs is affiliated with Medstar Montgomery Medical Center and Wellspan York Hospital.

When was this NPI record last updated?

The NPPES record for John Downs was last updated on January 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.