Mark J. Dryden, M.D.
Diagnostic Radiology Physician · Houston, TX
Mark J. Dryden, M.D. is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1275632341, issued on Sep 22, 2006. Check the license (Texas L0143, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark J. Dryden
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- L0143 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Sep 22, 2006
- Record last updated
- Mar 2, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 104553602 TX
- Medicare enrollment
- Enrolled (PECOS I20260130002775); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Mark J. Dryden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L0143Check 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): 81.4 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).
Bills Medicare through one group practice
- Mammography OF The University OF RochesterRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Dryden among 3,124 diagnostic radiology physician records in Texas
Mark J. Dryden, M.D. 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1995 · median 2003 among the 2,277 with a school on file
- Record last updated2010 · 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
- Carmen Bonmati, M.D.Houston, TX 770301629069513
- Hannah Chung, M.D.Houston, TX 770301780683508
- Monali Gupta, MDHouston, TX 770301033108089
- Monica Huang, M.D.Houston, TX 770301366433484
- Reena Jha, M.D.Houston, TX 770301548269988
- Anne Kushwaha, M.D.Houston, TX 770301134121742
- Thomas Lu, MDHouston, TX 770301669469730
- Sagar Naik, M.D.Houston, TX 770301972593127
Common questions
What is Mark J. Dryden, M.D.'s NPI number?
Mark J. Dryden, M.D.'s National Provider Identifier (NPI) is 1275632341, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Dryden, M.D. located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Dryden, M.D.'s license?
NPPES lists Texas license number L0143, 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 Mark J. Dryden, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 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.