PRITHVIRAJ DHARMARAJA M.D.
NPI 1932111424
Internal Medicine - Gastroenterology in Lancaster, CA

Q: What is Prithviraj Dharmaraja's NPI number?

The NPI number for Prithviraj Dharmaraja is 1932111424. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Q: What is Prithviraj Dharmaraja's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1331 W AVENUE J STE 202, LANCASTER, CA 93534(661) 529-7550(661) 529-7560 Get Directions Write a Review

NPPES record last updated: April 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Prithviraj Dharmaraja M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PRITHVIRAJ DHARMARAJA M.D. (NPI 1932111424) is an individual gastroenterology provider in Lancaster, California, licensed in California (A43516) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lancaster, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1932111424

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NamePRITHVIRAJ DHARMARAJACredential: M.D.

Location Address1331 W AVENUE J STE 202Lancaster, CA 93534

Mailing AddressPo Box 5688Lancaster, CA 93539-5688 · (661) 529-7550 · Fax (661) 529-7560

Phone(661) 529-7550

Fax(661) 529-7560

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateAugust 12, 2006

Last NPPES UpdateApril 19, 2019

✔ NPI 1932111424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · A43516

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1331 W AVENUE J STE 202, Lancaster, CA 93534

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Secondary Practice Location 1

Location 11753 W Avenue J, Suite BLancaster, CA 93534-2703 · Phone (661) 948-0803 · Fax (661) 948-5004

Other Identifiers 1

Medicaid00A435160CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Prithviraj Dharmaraja M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749208312

PECOS Enrollment IDI20090115000518

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Prithviraj Dharmaraja reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastro Care Institute

Same address

Gastroenterology

1331 W AVENUE J STE 202
Lancaster, CA 93534

Reassigned Medicare billing, California enrollment
16 clinicians in this Medicare group

NPI 1326514746 (661) 529-7550

First Choice Physician Partners

58 mi

Family Medicine

2874 E IMPERIAL HWY
Brea, CA 92821

Reassigned Medicare billing, California enrollment
488 clinicians in this Medicare group

NPI 1417297847 (714) 996-2390

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

250 services184 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

189 services181 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

186 services186 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

137 services124 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

89 services88 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

61 services60 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

56 services49 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

34 services34 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

33 services30 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

23 services23 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93534 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VIVAIK TYAGI M.D.

Internal Medicine (Gastroenterology)