Mary Elizabeth Harrison, MD
Obstetrics & Gynecology Physician · Round Rock, TX
Mary Elizabeth Harrison, MD is an obstetrics & gynecology physician with a practice address in Round Rock, Texas, and NPI 1669761136, issued on Apr 5, 2011. Check the license (Texas Q5423, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Harrison
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- Q5423 TX
Self-reported in NPPES; status is on the state search - Practice location
- 511 Oakwood Blvd., Round Rock, TX 78681
- Phone
- (512) 244-3698
- Enumerated
- Apr 5, 2011
- Record last updated
- Oct 14, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (512) 244-0214
- Medicaid ID
- 350006801 TX
- Medicare enrollment
- Enrolled (PECOS I20150928000709); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,524 in Texas → Look up another NPI →
Verify Mary Elizabeth Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q5423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
301 Medicare Part D claims for 110 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Estradiol126 claims
- Progesterone25 claims
- Clindamycin Phosphate17 claims
- Valacyclovir15 claims
- Estradiol (Twice Weekly)12 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): 72.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Seton Family OF DoctorsRound Rock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elizabeth Harrison among 3,524 obstetrics & gynecology physician records in Texas
Mary Elizabeth Harrison, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2005 among the 2,093 with a school on file
- Record last updated2016 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Texas
There are 3,524 obstetrics & gynecology physician records in Texas.
All 3,524 in Texas → Every provider in Round Rock → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kathryn Anger, M.D.Round Rock, TX 786811023310141
- Michael Butler, MDRound Rock, TX 786811245445832
- Jo Choudhry, MDRound Rock, TX 786811730306663
- Blanca Duncan, M.D.Round Rock, TX 786811902008253
- Michael Fitzpatrick, MDRound Rock, TX 786811366581670
- Michelle Irvin, MDRound Rock, TX 786811588657894
- Mark Maunder, MDRound Rock, TX 786811356480669
- Stephanie Michel, M.D.Round Rock, TX 786811285675264
Common questions
What is Mary Elizabeth Harrison, MD's NPI number?
Mary Elizabeth Harrison, MD's National Provider Identifier (NPI) is 1669761136, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Harrison, MD located?
The NPPES record lists a practice address at 511 Oakwood Blvd., Round Rock, TX, 78681. Phone: (512) 244-3698. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Harrison, MD's license?
NPPES lists Texas license number Q5423, 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 Harrison, MD prescribe under Medicare Part D?
In 2024, Mary Elizabeth Harrison, MD had 301 Medicare Part D claims for 110 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Mary Elizabeth Harrison, MD's MIPS final score?
The 2023 MIPS final score is 72.5 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.