NPPES file of Aug 9, 2026

Kathryn H. Brinsfield, MD

Emergency Medicine Physician · Kensington, MD

Kathryn H. Brinsfield, MD is an emergency medicine physician with a practice address in Kensington, Maryland, and NPI 1710944913, issued on May 1, 2006. Check the license (Maryland D0069139, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710944913
Name
Kathryn H. Brinsfield
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
D0069139 MD
Self-reported in NPPES; status is on the state search
Practice location
10540 Connecticut Ave, Kensington, MD 20895
Phone
(301) 949-0030
Enumerated
May 1, 2006
Record last updated
Oct 27, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(301) 949-0033
Medicare enrollment
Enrolled (PECOS I20091209000453); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 10540 Connecticut Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Irfana Ali, M.D.Emergency Medicine Physician1386620078
  2. Theresa McLaughlin, MDInternal Medicine Physician1548583826
  3. Scott Napier, PA-CMedical Physician Assistant1568823961
  4. Dorothy Polahar, DOFamily Medicine Physician1720340219
  5. Alison Sikirica, MDFamily Medicine Physician1104955376

Verify Kathryn H. Brinsfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0069139
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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89% fewer Medicare Part D claims than the average emergency medicine physician in 2024

25 Medicare Part D claims for 20 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Kathryn Brinsfield25
  2. Specialty average226

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.

Bills Medicare through one group practice

  1. Crescent Urgent Health Care Services, LLCKensington, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathryn H. Brinsfield among 1,190 emergency medicine physician records in Maryland

Kathryn H. Brinsfield, MD is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1991 · median 2010 among the 571 with a school on file
  • Record last updated2018 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Maryland

There are 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Irfana Ali, M.D.Kensington, MD 208951386620078
  2. Louise Stomierowski, MDKensington, MD 208951548320294
  3. Pamela Zarick, M.D.Kensington, MD 208951962533216
  4. Kevin Yeskey, MDGarrett Park, MD 208961033412143
  5. Brent Buccine, M.D.Bethesda, MD 208891740663103
  6. Guenevere Burke, M.D.Bethesda, MD 208891013224591
  7. Katharine Clark, MDBethesda, MD 208891174093629
  8. Janina Gregorski, M.D.Bethesda, MD 208891932636289

Common questions

What is Kathryn H. Brinsfield, MD's NPI number?

Kathryn H. Brinsfield, MD's National Provider Identifier (NPI) is 1710944913, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn H. Brinsfield, MD located?

The NPPES record lists a practice address at 10540 Connecticut Ave, Kensington, MD, 20895. Phone: (301) 949-0030. Providers update this record themselves, so call before visiting.

How can I verify Kathryn H. Brinsfield, MD's license?

NPPES lists Maryland license number D0069139, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathryn H. Brinsfield, MD prescribe under Medicare Part D?

In 2024, Kathryn H. Brinsfield, MD had 25 Medicare Part D claims for 20 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.