P Praxis·MD
● Active Type 1 · Individual

DR. Rahul Chilappa, M.D.

Internal Medicine·Houston, TX· NPI 1407117609 · Enumerated 2012 · 13 years on NPI
Chilappa is 1 of 141 internal medicine providers in Houston and 1 of 479 in Texas.
NPI age
13 years
Enumerated 2012-06-04
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
IL
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-08-23
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 479 active internal medicine providers in Texas.

NPI age
13 years
↓ 3 yr below median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
2
In the 79% of peers with subspecialties

NPI lifetime · 2012 → 2026

2012-06Enumerated in NPPES
2012 2026

Where they practice

Practice location
921 Gessner Rd
Houston, TX 770242501
📞 7132423000
Mailing address
921 Gessner Rd
Houston, TX 770242501
📞 6153714423fax 6158298548

Additional practice locations

1 secondary location on file with NPPES.

Location 2
1000 Central St Ste 615
Evanston, IL 602011779
📞 8475702714fax 8477335109

Specialties

  • Internal Medicine Primary
    An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
    IL license #036.146254 taxonomy 207RC0200X
  • Internal Medicine
    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
    IL license #036146254 taxonomy 207R00000X
  • Internal Medicine
    An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
    IL license #036.146254 taxonomy 207RP1001X

Practice context

Part of a multi-provider practice. 124 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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