Dr. Errol Lamont Fields, MD, MPH, PhD

  • Baltimore, MD
  • Pediatric adolescent medicine physician
NPI1861620429PAC ID1557513124
Publications
63
Hospital affiliations
1
Industry payments
$50,527
Medical groups
2
Insurance carriers
6
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 6 affiliations

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Dr. Errol Lamont Fields is a pediatric adolescent medicine physician in Baltimore, Maryland

Dr. Fields practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Fields' NPI, 1861620429, was assigned on June 22, 2009. Dr. Fields graduated from The Johns Hopkins University School of Medicine in 2009. Dr. Fields holds Maryland license D75087.

NPI and contact details
Medicare PAC ID
1557513124
NPI enumeration date
June 22, 2009
NPI status
Active
Practice phone
(855) 662-3017
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
43
Medical school graduation
2009

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Errol Lamont Fields practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Fields' primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Errol Lamont Fields is affiliated with 4 sites of care and 2 medical groups

Dr. Fields' primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Fields is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Fields to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Fields

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Errol Lamont Fields' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fields practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Errol Lamont Fields is one of 76 pediatric adolescent medicine physicians in Maryland

Adolescent medicine is Dr. Fields' primary specialty in the NPI Registry, under taxonomy code 2080A0000X. Dr. Fields is board certified in adolescent medicine by the American Board of Pediatrics. Dmand AI has Dr. Fields' licenses on file in 2 states: Maryland and Massachusetts.

Specialties and state licenses

  • Pediatric adolescent medicine, MarylandPrimaryLicense D75087 · 2012 to 2026 · taxonomy 2080A0000X
  • Massachusetts license2009 to 2012

Pediatric adolescent medicine physicians near Dr. Fields

Counts of pediatric adolescent medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Errol Lamont Fields' patients have a median age of 20

Across all payers, Dmand AI patient panel data puts Dr. Fields' median patient age at 20, with 38% women.

Dr. Fields' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 20

Patient panel by sex, all payers

  • Women38%
  • Men63%

Source: Dmand AI Patient Panel Data

Dr. Errol Lamont Fields has 63 publications on record

Dmand AI links 63 papers to Dr. Fields, published from 2012 to 2025. 2021 was the busiest year, with 8. The most frequent topics are HIV Infections, Sexual and Gender Minorities and Homosexuality, Male. Dr. Fields has published most often in J Adolesc Health. Dr. Fields' most frequent co-authors are Adena Greenbaum, Allison Lorna Agwu, MD and Khalil G. Ghanem, MD.

Papers63
Years published2012 to 2025

Dr. Fields' papers by year, 2012 to 2025

Topics Dr. Fields writes about most

  • HIV Infections
  • Sexual and Gender Minorities
  • Homosexuality, Male
  • Sexual Behavior
  • Baltimore
  • Black or African American
  • Pre-Exposure Prophylaxis
  • Sexual Partners

Dr. Fields' most frequent co-authors

Recent publications by Dr. Fields

See all 63 publications and co-authors

See who Dr. Fields researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fields works with, so you can find a warm path to the right pediatric adolescent medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Errol Lamont Fields received $50,527 in industry payments from 2016 to 2025

CMS Open Payments shows 62 general payments to Dr. Fields from 2 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 82% of the total. Gilead Sciences, Inc. paid the most, $47,627.

General payments to Dr. Fields by program year, 2016 to 2025

General payments to Dr. Fields by kind, 2016 to 2025

$50.5Kin total
  • Consulting fees$41,25082%
  • Travel and lodging$7,97816%
  • Food and beverage$1,2993%

Companies that paid Dr. Fields the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Fields

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Errol Lamont Fields graduated from The Johns Hopkins University School of Medicine

Dr. Fields graduated from The Johns Hopkins University School of Medicine in 2009.

  1. Medical schoolThe Johns Hopkins University School of Medicine
  2. Board certified in adolescent medicineAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Errol Lamont Fields accepts plans from 6 insurance carriers

Dr. Fields is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • CareFirst BlueCross BlueShield
  • Blue Cross and Blue Shield of Kansas City

Plan types Dr. Fields accepts, by number of carriers

  1. HMO5
  2. POS4
  3. PPO4
  4. EPO3
  5. Medicare2

Source: Dmand AI Insurance Network Data

Sources for Dr. Errol Lamont Fields's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Errol Lamont Fields

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Errol Lamont Fields' NPI number?

Dr. Errol Lamont Fields' NPI number is 1861620429. It was assigned on June 22, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Errol Lamont Fields?

Dr. Errol Lamont Fields is a pediatric adolescent medicine physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Pediatric Adolescent Medicine Physician (taxonomy code 2080A0000X).

Where does Dr. Errol Lamont Fields practice?

Dr. Fields practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Fields' primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Fields to 2 group practices and clinics and 1 medical group.

What is Dr. Errol Lamont Fields' office phone number?

The practice phone on file for Dr. Fields is (855) 662-3017.

What is Dr. Errol Lamont Fields' medical license number?

Dr. Fields holds Maryland license D75087, one of the licenses on file in 2 states.

Which states has Dr. Errol Lamont Fields been licensed in?

Dmand AI has state licenses on file for Dr. Fields in Maryland (2012 to 2026) and Massachusetts (2009 to 2012).

Which hospitals is Dr. Errol Lamont Fields affiliated with?

Dr. Fields is affiliated with The Johns Hopkins Hospital.

What medical group is Dr. Errol Lamont Fields part of?

Dr. Fields is linked to Johns Hopkins University. Dmand AI links Dr. Fields to 1 more medical group.

Is Dr. Errol Lamont Fields board certified?

Yes. Dr. Fields is board certified in adolescent medicine by the American Board of Pediatrics.

Where did Dr. Errol Lamont Fields go to medical school?

Dr. Fields graduated from The Johns Hopkins University School of Medicine in 2009.

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Has Dr. Errol Lamont Fields received payments from drug or device companies?

CMS Open Payments shows $50,527 in general payments to Dr. Fields from 2 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Errol Lamont Fields been practicing?

Dr. Fields graduated from medical school in 2009, 17 years ago.

Does Dr. Errol Lamont Fields do research?

Dmand AI links 63 publications to Dr. Fields, published from 2012 to 2025.

Who does Dr. Errol Lamont Fields publish with?

Dr. Fields' most frequent co-authors are Adena Greenbaum (11 shared papers), Allison Lorna Agwu, MD (3 shared papers) and Khalil G. Ghanem, MD (3 shared papers).

What insurance does Dr. Errol Lamont Fields accept?

Dr. Fields is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.

Selling to adolescent medicine practices?

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