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Dr. Errol L. Fields, MD, PHD, MPH

Adolescent Medicine (Pediatric Adolescent Medicine Physician)

200 N Wolfe St
Baltimore, MD 21287

Who else practices at this address →

Baltimore city includes primary care (36% of residents) shortage areas. About shortage areas

Call (410) 955-2795

At a glance

Years since graduation
17
In the NPI registry since
2009

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2009Medical school: Johns Hopkins University School of Medicine
  • 2009Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Pediatric Adolescent Medicine Physician primary
    MD license D75087
  • Pediatric Infectious Diseases Physician
    MD license D75087
  • Pediatrics Physician
    MD license D75087

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Adolescent Medicine per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $45.65 in total to this clinician.

By company
Gilead Sciences, Inc.$45.65
By type
Food and Beverage$45.65

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Maryland →

Other Adolescent Medicine clinicians in Baltimore

Sources

NPI registry (CMS NPPES, November 2026; record last updated February 27, 2020), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1861620429. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.