Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Keith Louis Obstein, MD, MPH

Individual provider Gastroenterology Physician · NPI 1528122595

Keith Louis Obstein, MD, MPH is a Gastroenterology in Nashville, Tennessee. Qualified in 2004, 22 years ago. Practices with Vanderbilt University Medical Center, a 3,466-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts, Pennsylvania and Tennessee.

Years since qualifying
22
Licensed in
MA, PA, TN
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

3601 The Vanderbilt Clinic
Nashville, TN 37232-5280
Phone: (615) 936-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1310 24th Ave S, Nashville, TN 37212-2637 — (615) 327-4751
  • 1301 Medical Center Dr, Nashville, TN 37232-5280 — (615) 322-0128

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 46246 (TN)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 231927 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT183793 (PA)

Record details

NPI number1528122595
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedDecember 21, 2006
Last updated in NPPESMarch 26, 2022
Certification dateMarch 26, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Vanderbilt University Medical Center — 3466 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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