NPPES file of Aug 9, 2026

David Taehun Um, D.O.

Emergency Medicine Physician · Tacoma, WA

David Taehun Um, D.O. is an emergency medicine physician with a practice address in Tacoma, Washington, and NPI 1811139728, issued on Mar 24, 2009. Check the license (Washington OP60596926, as entered in NPPES) on the Washington Medical Commission; 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
1811139728
Name
David Taehun Um
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
OP60596926 WA
Self-reported in NPPES; status is on the state search
Practice location
9040 Fitzsimmons Dr, Tacoma, WA 98431
Phone
(253) 968-2997
Enumerated
Mar 24, 2009
Record last updated
Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(253) 968-2550
Medicare enrollment
Enrolled (PECOS I20151222001716); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2009
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 9040 Fitzsimmons Dr

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

  1. Seth Baruffi, M.D.Emergency Medicine Physician1881897916
  2. Sterling Brodniak, D.O.Family Medicine Physician1801056478
  3. Matthew Brooks, PSY.D.Student in an Organized Health Care Education/Training Program1437482130
  4. Jonathan Columbia, M.D.Student in an Organized Health Care Education/Training Program1790912194
  5. Kai Da Costa, DOGeneral Practice Physician1578711016
  6. Deborah Engerran, PSY.D.Clinical Psychologist1932291259

Verify David Taehun Um in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60596926
    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 Washington 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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1% fewer Medicare Part D claims than the average emergency medicine physician in 2024

223 Medicare Part D claims for 142 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 29 claims were for opioids.

  1. David Um223
  2. Specialty average226

Most prescribed

  1. Morphine Sulfate23 claims
  2. Ondansetron Odt22 claims
  3. Prednisone22 claims
  4. Nitrofurantoin Mono-Macro12 claims
  5. Cefdinir11 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 2 group practices

  1. Mt Rainier Emergency Physicians PLLCPuyallup, WA
  2. Western Washington Emergency Physicians PLLCTacoma, WA

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

David Taehun Um among 1,459 emergency medicine physician records in Washington

David Taehun Um, D.O. is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.

  • NPI issued2009 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2010 among the 851 with a school on file
  • Record last updated2015 · 62% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

167 emergency medicine physician records list a practice address in Tacoma

They are 167 of the 13,715 NPPES records with a practice address in Tacoma, and 1,459 emergency medicine physician records in Washington.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Simeon Ashworth, DOTacoma, WA 984311861462368
  2. Robert Blankenship, M.D.Tacoma, WA 984311629049523
  3. Diane DevitaTacoma, WA 984311528039757
  4. Patrick Holland, MDTacoma, WA 984311376584631
  5. Maria Hugi, M.D.Tacoma, WA 984311518027887
  6. Christopher Kang, M.D.Tacoma, WA 984311649242231
  7. Roger Manson, M.D.Tacoma, WA 984311457321960
  8. John Short, M.D.Tacoma, WA 984311861432510

Common questions

What is David Taehun Um, D.O.'s NPI number?

David Taehun Um, D.O.'s National Provider Identifier (NPI) is 1811139728, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is David Taehun Um, D.O. located?

The NPPES record lists a practice address at 9040 Fitzsimmons Dr, Tacoma, WA, 98431. Phone: (253) 968-2997. Providers update this record themselves, so call before visiting.

How can I verify David Taehun Um, D.O.'s license?

NPPES lists Washington license number OP60596926, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Taehun Um, D.O. prescribe under Medicare Part D?

In 2024, David Taehun Um, D.O. had 223 Medicare Part D claims for 142 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.