NPPES file of Aug 9, 2026

Charles J. Neilson, M.D.

Emergency Medicine Physician · Sugar Land, TX

Charles J. Neilson, M.D. is an emergency medicine physician with a practice address in Sugar Land, Texas, and NPI 1033143540, issued on Jul 10, 2006. Check the license (Texas E7687, 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
1033143540
Name
Charles J. Neilson
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
E7687 TX
Self-reported in NPPES; status is on the state search
Practice location
322 Oyster Creek Dr, Sugar Land, TX 77478
Phone
(281) 242-6118
Enumerated
Jul 10, 2006
Record last updated
Jan 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(281) 242-6118
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 Charles J. Neilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E7687
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average emergency medicine physician in 2024

23 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Charles Neilson23
  2. Specialty average226

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.

Charles J. Neilson among 4,885 emergency medicine physician records in Texas

Charles J. Neilson, M.D. 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 updated2014 · 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. Brandt Delhamer, M.D.Sugar Land, TX 774781750382420
  2. Ling-Chun Lu, MDSugar Land, TX 774781083051569
  3. Ashok Phalak, M.D.Sugar Land, TX 774781376651687
  4. Gary Yee, MDSugar Land, TX 774781477523298
  5. Hasan Gokal, MDSugar Land, TX 774791710090329
  6. Rajeeb Guharoy, MDSugar Land, TX 774791235128422
  7. Alan Hand, M.D.Sugar Land, TX 774791851391114
  8. Michael Hehman, M.D.Stafford, TX 774771295909463

Common questions

What is Charles J. Neilson, M.D.'s NPI number?

Charles J. Neilson, M.D.'s National Provider Identifier (NPI) is 1033143540, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles J. Neilson, M.D. located?

The NPPES record lists a practice address at 322 Oyster Creek Dr, Sugar Land, TX, 77478. Phone: (281) 242-6118. Providers update this record themselves, so call before visiting.

How can I verify Charles J. Neilson, M.D.'s license?

NPPES lists Texas license number E7687, 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 Charles J. Neilson, M.D. prescribe under Medicare Part D?

In 2024, Charles J. Neilson, M.D. had 23 Medicare Part D claims; 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.