NPPES file of Aug 9, 2026

William James Frazier, M.D.

Emergency Medicine Physician · Dallas, TX

William James Frazier, M.D. is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1164407854, issued on Dec 14, 2005. Check the license (Texas D5606, 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164407854
Name
William James Frazier
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
D5606 TX
107900 NY
01022165A IN
45667 KY
2012003308 MO
Self-reported in NPPES; status is on the state search
Practice location
6418 Royalton Dr, Dallas, TX 75230
Phone
(214) 552-6660
Enumerated
Dec 14, 2005
Record last updated
Mar 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(214) 368-3446
Medicaid ID
046439808 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify William James Frazier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license D5606
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024

472 Medicare Part D claims for 233 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. William Frazier472
  2. Specialty average226

Most prescribed

  1. Diclofenac Sodium78 claims
  2. Cephalexin45 claims
  3. Ondansetron Hcl34 claims
  4. Prednisone32 claims
  5. Albuterol Sulfate Hfa24 claims
  6. Sulfamethoxazole-Trimethoprim24 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 88.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.4
  2. Costout of 100 · 30%76.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

William James Frazier among 4,885 emergency medicine physician records in Texas

William James Frazier, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2019 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mustafa Al-Chalabi, MDDallas, TX 752301417932948
  2. Richard Bluestein, D.O.Dallas, TX 752301104802867
  3. Matthew Bush, M.D.Dallas, TX 752301659356665
  4. Gerald Delk, M.D.Dallas, TX 752301821073511
  5. Daniel Keyes, MDDallas, TX 752301619964863
  6. James Lilly, MDDallas, TX 752301356327423
  7. John Marshall, MDDallas, TX 752301437135563
  8. Nikolas Mendrygal, MDDallas, TX 752301063455905

Common questions

What is William James Frazier, M.D.'s NPI number?

William James Frazier, M.D.'s National Provider Identifier (NPI) is 1164407854, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William James Frazier, M.D. located?

The NPPES record lists a practice address at 6418 Royalton Dr, Dallas, TX, 75230. Phone: (214) 552-6660. Providers update this record themselves, so call before visiting.

How can I verify William James Frazier, M.D.'s license?

NPPES lists Texas license number D5606, 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 William James Frazier, M.D. prescribe under Medicare Part D?

In 2024, William James Frazier, M.D. had 472 Medicare Part D claims for 233 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is William James Frazier, M.D.'s MIPS final score?

The 2023 MIPS final score is 88.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.