Merri Lou Pendergrass, MD
Endocrinology, Diabetes & Metabolism Physician · Dallas, TX
Merri Lou Pendergrass, MD is an endocrinology, diabetes & metabolism physician with a practice address in Dallas, Texas, and NPI 1376594846, issued on May 12, 2006. Check the license (Texas H8318, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Merri Lou Pendergrass
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- H8318 TX
219656 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5323 Harry Hines Blvd., Dallas, TX 75390
- Phone
- (214) 645-8600
- Enumerated
- May 12, 2006
- Record last updated
- Sep 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (214) 645-8601
- Medicare enrollment
- Enrolled (PECOS I20121203000122); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 743 in Texas → Look up another NPI →
Also registered at 5323 Harry Hines Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Merri Lou Pendergrass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H8318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
112 Medicare Part D claims for 23 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.
Most prescribed
- Metformin Hcl17 claims
- Jardiance13 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merri Lou Pendergrass among 743 endocrinology, diabetes & metabolism physician records in Texas
Merri Lou Pendergrass, MD is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1989 · median 2004 among the 560 with a school on file
- Record last updated2012 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Texas
There are 743 endocrinology, diabetes & metabolism physician records in Texas.
All 743 in Texas → Every provider in Dallas → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Perry Bickel, M.D.Dallas, TX 753901285651737
- Alberto Cabo Chan, MDDallas, TX 753901750314449
- Abhimanyu Garg, MDDallas, TX 753901871562355
- Ildiko Lingvay, MDDallas, TX 753901447216916
- Naim Maalouf, M.D.Dallas, TX 753901811956188
- David McFadden, M.D.Dallas, TX 753901962458174
- Michael McPhaul, MDDallas, TX 753901730146168
- Luigi Meneghini, M.D.Dallas, TX 753901245295831
Common questions
What is Merri Lou Pendergrass, MD's NPI number?
Merri Lou Pendergrass, MD's National Provider Identifier (NPI) is 1376594846, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merri Lou Pendergrass, MD located?
The NPPES record lists a practice address at 5323 Harry Hines Blvd., Dallas, TX, 75390. Phone: (214) 645-8600. Providers update this record themselves, so call before visiting.
How can I verify Merri Lou Pendergrass, MD's license?
NPPES lists Texas license number H8318, 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 Merri Lou Pendergrass, MD prescribe under Medicare Part D?
In 2024, Merri Lou Pendergrass, MD had 112 Medicare Part D claims for 23 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Merri Lou Pendergrass, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.