Karl Bertrand Fields, M.D.
Family Medicine Physician · Greensboro, NC
Karl Bertrand Fields, M.D. is a family medicine physician with a practice address in Greensboro, North Carolina, and NPI 1760437420, issued on May 23, 2006. Check the license (North Carolina 22107, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karl Bertrand Fields
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22107 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1131-C North Church Street, Greensboro, NC 27401
- Phone
- (336) 832-7867
- Enumerated
- May 23, 2006
- Record last updated
- Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (336) 832-7869
- Medicaid ID
- 8931950 NC
- Medicare enrollment
- Enrolled (PECOS I20100624000167); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,953 in North Carolina → Look up another NPI →
Verify Karl Bertrand Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 22107Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
249 Medicare Part D claims for 58 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 37 claims were for opioids.
Most prescribed
- Gabapentin97 claims
- Tramadol Hcl33 claims
- Meloxicam25 claims
- Nitroglycerin Patch14 claims
- Amitriptyline Hcl13 claims
- Nortriptyline Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $223.98
3 payments; by number, the most common kind was food and beverage; the largest payer was Djo, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Moses H Cone Memorial Hospital Operating CorporationGreensboro, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karl Bertrand Fields among 4,953 family medicine physician records in North Carolina
Karl Bertrand Fields, M.D. is one of 4,953 family medicine physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 51% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1976 · median 2006 among the 3,104 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
182 family medicine physician records list a practice address in Greensboro
They are 182 of the 8,190 NPPES records with a practice address in Greensboro, and 4,953 family medicine physician records in North Carolina.
All 4,953 in North Carolina → Every provider in Greensboro → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Pamela Banister, M.D.Greensboro, NC 274011043212616
- Veita Bland, M.D.Greensboro, NC 274011083675433
- Marshall Chambliss, MDGreensboro, NC 274011629026471
- William Hensel, M.D.Greensboro, NC 274011073560538
- Gerald Hill, M.D.Greensboro, NC 274011114971009
- Michael Hilts, M.D.Greensboro, NC 274011568409522
- Sarah Irving, M.D.Greensboro, NC 274011871513093
- Thomas Kingsley, MDGreensboro, NC 274011679653232
Common questions
What is Karl Bertrand Fields, M.D.'s NPI number?
Karl Bertrand Fields, M.D.'s National Provider Identifier (NPI) is 1760437420, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl Bertrand Fields, M.D. located?
The NPPES record lists a practice address at 1131-C North Church Street, Greensboro, NC, 27401. Phone: (336) 832-7867. Providers update this record themselves, so call before visiting.
How can I verify Karl Bertrand Fields, M.D.'s license?
NPPES lists North Carolina license number 22107, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karl Bertrand Fields, M.D. prescribe under Medicare Part D?
In 2024, Karl Bertrand Fields, M.D. had 249 Medicare Part D claims for 58 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.