Nicholas Paul Karr, M.D.
Emergency Medicine Physician · Dallas, TX
Nicholas Paul Karr, M.D. is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1568608644, issued on Dec 19, 2008. Check the license (Texas N8527, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas Paul Karr
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- N8527 TX
4301092839 MI
Self-reported in NPPES; status is on the state search - Practice location
- 7515 Greenville Ave Ste 900, Dallas, TX 75231
- Phone
- (214) 206-1447
- Enumerated
- Dec 19, 2008
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (469) 808-0695
- Medicaid ID
- 284711301 TX
- Medicare enrollment
- Enrolled (PECOS I20110928000403); may accept Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 7515 Greenville Ave Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Elston, APRNFamily Nurse Practitioner1023505351
- Desarae Gheju, PA-CMedical Physician Assistant1003525841
Verify Nicholas Paul Karr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N8527Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
56 Medicare Part D claims for 46 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone11 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.
Bills Medicare through one group practice
- Legacy Urgent Care PAFrisco, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Paul Karr among 4,885 emergency medicine physician records in Texas
Nicholas Paul Karr, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2013 among the 2,779 with a school on file
- Record last updated2021 · 55% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
512 emergency medicine physician records list a practice address in Dallas
They are 512 of the 36,304 NPPES records with a practice address in Dallas, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Dallas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christopher Black, M.D.Dallas, TX 752311801872551
- Albert Broders, MDDallas, TX 752311699721415
- Stephen Burgher, MDDallas, TX 752311215927017
- Jeffery Butterfield, MDDallas, TX 752311689620445
- Samuel Crowley, M.D.Dallas, TX 752311215991021
- Michael Fawcett, MDDallas, TX 752311114974748
- Lawrence Hum, MDDallas, TX 752311326089459
- Isaac Jhingree, M.D.Dallas, TX 752311679559181
Common questions
What is Nicholas Paul Karr, M.D.'s NPI number?
Nicholas Paul Karr, M.D.'s National Provider Identifier (NPI) is 1568608644, issued on Dec 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Paul Karr, M.D. located?
The NPPES record lists a practice address at 7515 Greenville Ave Ste 900, Dallas, TX, 75231. Phone: (214) 206-1447. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Paul Karr, M.D.'s license?
NPPES lists Texas license number N8527, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Paul Karr, M.D. prescribe under Medicare Part D?
In 2024, Nicholas Paul Karr, M.D. had 56 Medicare Part D claims for 46 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.