John Christopher Waller-Delarosa, M.D.
Emergency Medicine Physician · Houston, TX
John Christopher Waller-Delarosa, M.D. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1972952927, issued on Jun 10, 2016. Check the license (Texas S0244, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Christopher Waller-Delarosa
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- S0244 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St, Houston, TX 77030
- Phone
- (713) 500-7878
- Enumerated
- Jun 10, 2016
- Record last updated
- Jul 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (713) 500-0758
- Medicare enrollment
- Enrolled (PECOS I20190712001589); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 6431 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Christopher Waller-Delarosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S0244Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average emergency medicine physician in 2024
26 Medicare Part D claims for 19 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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): 82.4 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).
Industry payments in 2024: $100.66
1 payment: food and beverage; the largest payer was Getinge USA Sales, LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Memorial Hermann Hospital Based Physician GroupLeague City, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Christopher Waller-Delarosa among 4,885 emergency medicine physician records in Texas
John Christopher Waller-Delarosa, 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 2016, is newer than 70% of them.
- NPI issued2016 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2013 among the 2,779 with a school on file
- 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).
818 emergency medicine physician records list a practice address in Houston
They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Houston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bentley Bobrow, M.D.Houston, TX 770301528040276
- Jack Butler, M.D.Houston, TX 770301962491035
- Pamela Carmain, M.D.Houston, TX 770301285636266
- Crystal Cassidy, M.D.Houston, TX 770301316948599
- Robert Dickson, MDHouston, TX 770301609866391
- Swapan Dubey, M.D.Houston, TX 770301497756175
- Bhushan Kukkalli, M.D.Houston, TX 770301871579276
- Kelly Larkin, M.D.Houston, TX 770301144205683
Common questions
What is John Christopher Waller-Delarosa, M.D.'s NPI number?
John Christopher Waller-Delarosa, M.D.'s National Provider Identifier (NPI) is 1972952927, issued on Jun 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is John Christopher Waller-Delarosa, M.D. located?
The NPPES record lists a practice address at 6431 Fannin St, Houston, TX, 77030. Phone: (713) 500-7878. Providers update this record themselves, so call before visiting.
How can I verify John Christopher Waller-Delarosa, M.D.'s license?
NPPES lists Texas license number S0244, 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 John Christopher Waller-Delarosa, M.D. prescribe under Medicare Part D?
In 2024, John Christopher Waller-Delarosa, M.D. had 26 Medicare Part D claims for 19 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is John Christopher Waller-Delarosa, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.4 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.