NPPES file of Aug 9, 2026

David S. Diamond

Emergency Medicine Physician · Grapevine, TX

David S. Diamond is an emergency medicine physician with a practice address in Grapevine, Texas, and NPI 1932265774, issued on Dec 28, 2006. Check the license (Texas K5901, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932265774
Name
David S. Diamond
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
K5901 TX
Self-reported in NPPES; status is on the state search
Practice location
1650 West College Ave, Grapevine, TX 76051
Phone
(817) 481-1588
Enumerated
Dec 28, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify David S. Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K5901
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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10% fewer Medicare Part D claims than the average emergency medicine physician in 2024

204 Medicare Part D claims for 126 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 17 claims were for opioids.

  1. David Diamond204
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt23 claims
  2. Amoxicillin-Clavulanate Potass15 claims
  3. Hydrocodone-Acetaminophen15 claims
  4. Gabapentin12 claims
  5. Prednisone11 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.

David S. Diamond among 4,885 emergency medicine physician records in Texas

David S. Diamond is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% 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, 67% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2007 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Texas

There are 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Hancock, MDGrapevine, TX 760511194795955
  2. Alexander Hatcher, M.D.Grapevine, TX 760511790880672
  3. Ronald Jensen, D.O.Grapevine, TX 760511285673483
  4. Jacquelyn Larussa, M.D.Grapevine, TX 760511093178360
  5. Nick Musso, M.D.Grapevine, TX 760511295879955
  6. John Myers, M.D.Grapevine, TX 760511649256421
  7. Roger Sessions, DOGrapevine, TX 760511255471934
  8. Natasha Singh, M.D.Grapevine, TX 760511316384837

Common questions

What is David S. Diamond's NPI number?

David S. Diamond's National Provider Identifier (NPI) is 1932265774, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David S. Diamond located?

The NPPES record lists a practice address at 1650 West College Ave, Grapevine, TX, 76051. Phone: (817) 481-1588. Providers update this record themselves, so call before visiting.

How can I verify David S. Diamond's license?

NPPES lists Texas license number K5901, 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 S. Diamond prescribe under Medicare Part D?

In 2024, David S. Diamond had 204 Medicare Part D claims for 126 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.