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

Dr. Nischita Merla, MD, MPH

Individual provider Internal Medicine Physician · NPI 1629272208

Dr. Nischita Merla, MD, MPH is a Gastroenterology in Upland, California. Qualified in 2001, 25 years ago. Practices with Realm Healthcare Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California and Texas.

Years since qualifying
25
Licensed in
CA, TX
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

1330 San Bernardino Rd Ste L
Upland, CA 91786-4980
Phone: (909) 833-7556
Fax: (909) 833-9226
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A119042 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP2-0029547 (TX)
Gastroenterology Physician Taxonomy 207RG0100X · Licence N4029 (TX)

Record details

NPI number1629272208
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedJune 14, 2007
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Realm Healthcare Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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