John Charles Gallagher, MD
Internal Medicine Physician · Houston, TX
John Charles Gallagher, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1598772535, issued on Aug 2, 2006. Check the license (Texas D0383, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Charles Gallagher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0383 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2 Chelsea Blvd, Houston, TX 77006
- Phone
- (713) 523-6627
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (713) 523-7623
- Medicaid ID
- POOOA3252 TX
- Entity
- Type 1 · individual
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Verify John Charles Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D0383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Charles Gallagher among 9,175 internal medicine physician records in Texas
John Charles Gallagher, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dawn Adams, MDHouston, TX 770061710974290
- Ann Barnes, M.D.Houston, TX 770061235292756
- John Burpeau, M.D.Houston, TX 770061932106937
- Eloy Cavazos, M.D.Houston, TX 770061427343649
- Julia Hope, MDHouston, TX 770061679520399
- Edwidge Jacinthe, M.D.Houston, TX 770061093837445
- Ceena Neena Jacob, MDHouston, TX 770061942730361
- Asim Jani, MD MPHHouston, TX 770061336274455
Common questions
What is John Charles Gallagher, MD's NPI number?
John Charles Gallagher, MD's National Provider Identifier (NPI) is 1598772535, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Charles Gallagher, MD located?
The NPPES record lists a practice address at 2 Chelsea Blvd, Houston, TX, 77006. Phone: (713) 523-6627. Providers update this record themselves, so call before visiting.
How can I verify John Charles Gallagher, MD's license?
NPPES lists Texas license number D0383, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.