David D. Moyer Diener, MD
Emergency Medical Services (Emergency Medicine) Physician · Harlingen, TX
David D. Moyer Diener, MD is an emergency medical services (emergency medicine) physician with a practice address in Harlingen, Texas, and NPI 1942294756, issued on Sep 7, 2005. Check the license (Texas L8848, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- David D. Moyer Diener
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- L8848 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Pease St, Harlingen, TX 78550
- Phone
- (956) 389-1100
- Enumerated
- Sep 7, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130625000709); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 250 in Texas → Look up another NPI →
Also registered at 2101 Pease St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lise Agnant Malebranche, M.D, MPH, MBAInternal Medicine Physician1760837736
- Mary Albertson, CRNACertified Registered Nurse Anesthetist1629096391
- Rudy Alvarez, M.D.Anatomic Pathology & Clinical Pathology Physician1417118589
- Rangasamy Anand, MBBS, MRCP(UK)Pediatric Critical Care Medicine Physician1558570333
Verify David D. Moyer Diener in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
195 Medicare Part D claims for 138 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Ondansetron Odt24 claims
- Prednisone19 claims
- Hydrocodone-Acetaminophen15 claims
- Cephalexin14 claims
- Naproxen13 claims
- Cefdinir12 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.
Bills Medicare through one group practice
- Emergency Medicine Associates P.A., P.C.Rockingham, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David D. Moyer Diener among 250 emergency medical services (emergency medicine) physician records in Texas
David D. Moyer Diener, MD is one of 250 emergency medical services (emergency medicine) physician records with a practice address in Texas. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2000 · median 1999 among the 62 with a school on file
- Record last updated2007 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Texas
There are 250 emergency medical services (emergency medicine) physician records in Texas.
All 250 in Texas → Every provider in Harlingen → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Dolores Bailey, DOHarlingen, TX 785501649264284
- Haywood Hall, MDHarlingen, TX 785501851385496
- Mark Hayden, MDHarlingen, TX 785501376537175
- Edward Mason, MDHarlingen, TX 785501982698437
- Michael Mohun, MDHarlingen, TX 785501235123043
- Julia Nathan, MDHarlingen, TX 785501699769141
- Andrew Okafor, MDHarlingen, TX 785501932193745
- Julie Sorenson, MDHarlingen, TX 785501013901826
Common questions
What is David D. Moyer Diener, MD's NPI number?
David D. Moyer Diener, MD's National Provider Identifier (NPI) is 1942294756, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David D. Moyer Diener, MD located?
The NPPES record lists a practice address at 2101 Pease St, Harlingen, TX, 78550. Phone: (956) 389-1100. Providers update this record themselves, so call before visiting.
How can I verify David D. Moyer Diener, MD's license?
NPPES lists Texas license number L8848, 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 David D. Moyer Diener, MD prescribe under Medicare Part D?
In 2024, David D. Moyer Diener, MD had 195 Medicare Part D claims for 138 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
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.