Chad Mackay
Diagnostic Radiology Physician · Houston, TX
Chad Mackay is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1508252636, issued on Apr 15, 2015. Check the license (Texas S5218, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chad Mackay
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- S5218 TX
Self-reported in NPPES; status is on the state search - Practice location
- 800 Peakwood Dr Ste 5E, Houston, TX 77090
- Phone
- (281) 440-5158
- Enumerated
- Apr 15, 2015
- Record last updated
- May 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210603002711); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern College Of Osteo Medicine, 2015
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 800 Peakwood Dr Ste 5E
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Verify Chad Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S5218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Houston Northwest Radiology AssnHouston, TX
- Medical Clinic OF Houston, LLPHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad Mackay among 3,124 diagnostic radiology physician records in Texas
Chad Mackay is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 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 2015, is newer than 83% of them.
- NPI issued2015 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2003 among the 2,277 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
823 diagnostic radiology physician records list a practice address in Houston
They are 823 of the 61,221 NPPES records with a practice address in Houston, and 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Houston → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Girish Agrawal, M.D.Houston, TX 770901285612572
- Larry Grissom, M.D.Houston, TX 770901164400644
- Mary Ice, M.D.Houston, TX 770901235117680
- Philip Katz, M.D.Houston, TX 770901316925894
- Hai Nguyen, M.D.Houston, TX 770901760460059
- Ralph Norton, M.D.Houston, TX 770901821076209
- Melissa O'Toole, M.D.Houston, TX 770901205838810
- David Olifant, M.D.Houston, TX 770901619955093
Common questions
What is Chad Mackay's NPI number?
Chad Mackay's National Provider Identifier (NPI) is 1508252636, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chad Mackay located?
The NPPES record lists a practice address at 800 Peakwood Dr Ste 5E, Houston, TX, 77090. Phone: (281) 440-5158. Providers update this record themselves, so call before visiting.
How can I verify Chad Mackay's license?
NPPES lists Texas license number S5218, 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.
What is Chad Mackay's MIPS final score?
The 2023 MIPS final score is 84.3 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.