BENJAMIN OLDFIELD M.D.
NPI 1831465830
Internal Medicine in Washington, DC

Active since March 24, 2012PECOS EnrolledAccepts Medicare Assignment
3020 14TH ST NW, WASHINGTON, DC 20009(202) 469-4699 Get Directions Write a Review

NPPES record last updated: January 17, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Benjamin Oldfield M.d. NPPES

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

BENJAMIN OLDFIELD M.D. (NPI 1831465830) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600003217) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2012).

NPPES Registry Identity

NPI1831465830
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBENJAMIN OLDFIELDCredential: M.D.
Location Address3020 14TH ST NWWashington, DC 20009-6865
Mailing Address1100 New Jersey Ave Se Ste 500Washington, DC 20003-3326 · (202) 213-5481
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2012
Enumeration DateMarch 24, 2012
Last NPPES UpdateJanuary 17, 2025
NPPES CertifiedJanuary 17, 2025
NPI 1831465830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in DC · MD600003217
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedPediatricsTaxonomy 208000000X · License MD600003217 (DC)
3020 14TH ST NW, Washington, DC 20009

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

Benjamin Oldfield 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 ID3375793862
PECOS Enrollment IDI20161101001759, I20250122000255
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20009 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers18 claims50 services$5.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
3020 14TH ST NW
WASHINGTON, DC 20009
Pediatrics
3020 14TH ST NW
WASHINGTON, DC 20009
Nurse Practitioner (Family)
3020 14TH ST NW
WASHINGTON, DC 20009
Podiatrist (Primary Podiatric Medicine)
3020 14TH ST NW
WASHINGTON, DC 20009
Pediatrics
3020 14TH ST NW
WASHINGTON, DC 20009
Dentist (General Practice)
3020 14TH ST NW
WASHINGTON, DC 20009
Internal Medicine (Gastroenterology)
3020 14TH ST NW, STE 201
WASHINGTON, DC 20009
Family Medicine
3020 14TH ST NW
WASHINGTON, DC 20009

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831465830, enumerated as an "individual" on March 24, 2012.

The provider is located at 3020 14TH ST NW WASHINGTON, DC 20009 and the phone number is (202) 469-4699.

Internal Medicine with taxonomy code 207R00000X.