Dr Nischita Merla, MD, MPH in Upland, CA - Medicare Gastroenterology

Dr Nischita Merla, MD, MPH is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Upland, California. She graduated from medical school in 2001 and has 24 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Realm Healthcare Inc and her current practice location is 1330 San Bernardino Rd Ste L, Upland, California. You can reach out to her office (for appointments etc.) via phone at (909) 833-7556.

Dr Nischita Merla is licensed to practice in California (license number A119042) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1629272208.

Contact Information

	Dr Nischita Merla, MD, MPH
	1330 San Bernardino Rd Ste L, Upland, CA 91786-4980
	(909) 833-7556
	(909) 833-9226

Map and Direction

Physician's Profile

Full Name	Dr Nischita Merla
Gender	Female
Speciality	Gastroenterology
Experience	24 Years
Location	1330 San Bernardino Rd Ste L, Upland, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Nischita Merla graduated from medical school in 2001

NPI Data:

NPI Number: 1629272208
Provider Enumeration Date: 06/14/2007
Last Update Date: 09/17/2025

Medicare PECOS Information:

PECOS PAC ID: 5092846642
Enrollment ID: I20120124000835

Medical Identifiers

Medical identifiers for Dr Nischita Merla such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1629272208	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	BP2-0029547 (Texas)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	N4029 (Texas)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	A119042 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Pomona Valley Hospital Medical Center	Pomona, CA	Hospital
San Antonio Regional Hospital	Upland, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Realm Healthcare Inc	7618303058	2

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Nischita Merla allows following entities to bill medicare on her behalf.

Entity Name	Realm Healthcare Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1609414853 PECOS PAC ID: 7618303058 Enrollment ID: O20200204001190

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Nischita Merla is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Nischita Merla, MD, MPH 1330 San Bernardino Rd Ste L, Upland, CA 91786-4980 Ph: (909) 833-7556	Dr Nischita Merla, MD, MPH 1330 San Bernardino Rd Ste L, Upland, CA 91786-4980 Ph: (909) 833-7556

Reviews and Comments

Internal Medicine Doctors in Upland, CA

Dr. Sara Khan, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 999 San Bernardino Rd, Upland, CA 91786 Phone: 909-985-2811
Dr. Frankie D Utzurrum, M.D. Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 99 N San Antonio Ave, Suite 370, Upland, CA 91786 Phone: 909-946-6342
Chirag Vaidya, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1317 W Foothill Blvd, Ste 148, Upland, CA 91786 Phone: 909-981-5882 Fax: 909-946-0833
Dr. Michael Chai, M.D. Gastroenterology Medicare: May Accept Medicare Assignments Practice Location: 490 N Mountain Ave # B, Upland, CA 91786 Phone: 909-920-6698 Fax: 909-931-7192
Dr. Chau Ngoc Thi Tran, D.O. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1100 San Bernardino Rd Ste 1100, Upland, CA 91786 Phone: 909-949-2242 Fax: 909-981-5783
Tejinder Singh, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 914 W Foothill Blvd, Ste B, Upland, CA 91786 Phone: 909-982-8944 Fax: 909-985-0932
Saman Sarani, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1317 W Foothill Blvd Ste 148, Upland, CA 91786 Phone: 909-981-5882

Dr Nischita Merla, MD, MPH - Medicare Gastroenterology in Upland, CA