NPPES file of Aug 9, 2026

Jenni K. Underhill

Anesthesiology Physician · Dallas, TX

Jenni K. Underhill is an anesthesiology physician with a practice address in Dallas, Texas, and NPI 1306945928, issued on Sep 21, 2006. Check the license (Texas S3765, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1306945928
Name
Jenni K. Underhill
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
S3765 TX
Self-reported in NPPES; status is on the state search
Practice location
3300 Oak Lawn Ave Ste 200, Dallas, TX 75219
Phone
(214) 252-3500
Enumerated
Sep 21, 2006
Record last updated
Oct 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
68926 MT
Medicare enrollment
Enrolled (PECOS I20191119001375); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1998
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 3300 Oak Lawn Ave Ste 200

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

  1. Macarthur Baker, M.D.Anesthesiology Physician1134442684
  2. Jeremy Bates, M.D.Anesthesiology Physician1902164262
  3. Emily Chapman, MDAnesthesiology Physician1558780536
  4. Houman Koopaei, M.D.Anesthesiology Physician1184062366
  5. Krishna Patel, MDAnesthesiology Physician1831694249
  6. Peter Shin, MDAnesthesiology Physician1194212662

Verify Jenni K. Underhill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S3765
    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 Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Emergenchealth PLLCTyler, TX
  2. Northstar Anesthesia III PATyler, TX

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

Jenni K. Underhill among 4,635 anesthesiology physician records in Texas

Jenni K. Underhill is one of 4,635 anesthesiology physician records with a practice address in Texas. 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 54% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1998 · median 2005 among the 3,293 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,392 anesthesiology physician records list a practice address in Dallas

They are 1,392 of the 36,304 NPPES records with a practice address in Dallas, and 4,635 anesthesiology physician records in Texas.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Raphael Aybar, M.D.Dallas, TX 752191619970902
  2. Catherine Blakeney, M.D.Dallas, TX 752191265435531
  3. Marc Brown, M.D.Dallas, TX 752191720080013
  4. Joel Ciarochi, M.D.Dallas, TX 752191649272840
  5. Donnie Culpepper, M.D.Dallas, TX 752191316949456
  6. Craig Fisher, D.O.Dallas, TX 752191760484893
  7. John Geiser, M.D.Dallas, TX 752191861496119
  8. Richard Haldeman, M.D.Dallas, TX 752191235133513

Common questions

What is Jenni K. Underhill's NPI number?

Jenni K. Underhill's National Provider Identifier (NPI) is 1306945928, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jenni K. Underhill located?

The NPPES record lists a practice address at 3300 Oak Lawn Ave Ste 200, Dallas, TX, 75219. Phone: (214) 252-3500. Providers update this record themselves, so call before visiting.

How can I verify Jenni K. Underhill's license?

NPPES lists Texas license number S3765, 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.

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.