Mary Elizabeth Cavnar-Johnson, M.D.
Family Medicine Physician · Kingwood, TX
Mary Elizabeth Cavnar-Johnson, M.D. is a family medicine physician with a practice address in Kingwood, Texas, and NPI 1467569400, issued on Aug 24, 2006. Check the license (Texas H 2293, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Cavnar-Johnson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H 2293 TX
Self-reported in NPPES; status is on the state search - Practice location
- 201 Kingwood Medical Drive, Kingwood, TX 77339
- Phone
- (281) 358-5574
- Enumerated
- Aug 24, 2006
- Record last updated
- Aug 27, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (281) 358-9677
- Medicare enrollment
- Enrolled (PECOS I20091230000651); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Mary Elizabeth Cavnar-Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H 2293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,312 Medicare Part D claims for 646 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 138 claims were for opioids.
Most prescribed
- Levothyroxine Sodium379 claims
- Rosuvastatin Calcium355 claims
- Atorvastatin Calcium323 claims
- Amlodipine Besylate260 claims
- Gabapentin235 claims
- Lisinopril182 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): 72.4 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: $777.95
41 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 55,478 providers of this specialty with any payment received $902.55 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
- David P Ellent PLLCSpring, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Cavnar-Johnson among 11,119 family medicine physician records in Texas
Mary Elizabeth Cavnar-Johnson, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1986 · median 2004 among the 7,095 with a school on file
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family medicine physician records list a practice address in Kingwood
They are 32 of the 1,799 NPPES records with a practice address in Kingwood, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Kingwood → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jyothi Achi, M.D.Kingwood, TX 773391023029287
- Savitri Ariyaratna, MDKingwood, TX 773391538196985
- Martin Basaldua, M.D.Kingwood, TX 773391609809391
- Maria Berdayes, DOKingwood, TX 773391871524348
- Lois Chu, D.O.Kingwood, TX 773391861594392
- Elizabeth Coon-Nguyen, MDKingwood, TX 773391104856723
- Stephanie Gross Pierce, M.D.Kingwood, TX 773391912085051
- Hazel Heddings, MDKingwood, TX 773391972670032
Common questions
What is Mary Elizabeth Cavnar-Johnson, M.D.'s NPI number?
Mary Elizabeth Cavnar-Johnson, M.D.'s National Provider Identifier (NPI) is 1467569400, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Cavnar-Johnson, M.D. located?
The NPPES record lists a practice address at 201 Kingwood Medical Drive, Kingwood, TX, 77339. Phone: (281) 358-5574. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Cavnar-Johnson, M.D.'s license?
NPPES lists Texas license number H 2293, 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 Mary Elizabeth Cavnar-Johnson, M.D. prescribe under Medicare Part D?
In 2024, Mary Elizabeth Cavnar-Johnson, M.D. had 8,312 Medicare Part D claims for 646 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mary Elizabeth Cavnar-Johnson, M.D.'s MIPS final score?
The 2023 MIPS final score is 72.4 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.