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DR. VARUJAN AREK KELEDJIAN M.D.
NPI 1508831678
Internal Medicine - Gastroenterology in Walnut Creek, CA

Active since February 21, 2006PECOS Enrolled
87.26/100
CMS Quality Rating
1479 YGNACIO VALLEY RD STE 150, WALNUT CREEK, CA 94598(925) 296-7340 Get Directions Write a Review

NPPES record last updated: December 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Varujan Arek Keledjian M.d. NPPES

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

DR. VARUJAN AREK KELEDJIAN M.D. (NPI 1508831678) is an individual gastroenterology provider in Walnut Creek, California, licensed in California (A046647) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Antioch.

NPPES Registry Identity

NPI1508831678
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. VARUJAN AREK KELEDJIANCredential: M.D.
Location Address1479 YGNACIO VALLEY RD STE 150Walnut Creek, CA 94598-2954
Mailing Address1450 Treat Blvd Ste 300Walnut Creek, CA 94597-2168 · (925) 952-2828 · Fax (925) 754-0765
Phone(925) 296-7340
Sole ProprietorNo
Enumeration DateFebruary 21, 2006
Last NPPES UpdateDecember 11, 2024
NPPES CertifiedDecember 11, 2024
✔ NPI 1508831678 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 · A046647
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.
1479 YGNACIO VALLEY RD STE 150, Walnut Creek, CA 94598
Open in Google Maps ↗

Secondary Practice Location 1

Location 13903 Lone Tree Way, Suite 205Antioch, CA 94509-6249 · Phone (925) 754-8710 · Fax (925) 754-0765

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Varujan Arek Keledjian M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

John Muir Trauma Physicians Billing Service
0.1 mi
Hospitalist
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1093864837 (925) 947-5331
John Muir Physician Network
1.0 mi
General Practice
1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 650 clinicians in this Medicare group
NPI 1841407665 (925) 296-9872

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

87.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.97
Promoting Interoperability85.91
Improvement Activities40

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
51%197 patients3/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
24%105 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
66%537 patients4/55-star benchmark: 85%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
90%93 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
98%1,114 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
100%1,462 patients5/55-star benchmark: 99%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
20%436 patients1/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
20%111 patients1/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
99%1,125 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
89%928 patients4/55-star benchmark: 97%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
47%440 patients3/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
64%831 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
35%709 patients2/55-star benchmark: 88%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
17%710 patients1/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 94% · 203 patients
100%203 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
96%928 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
21%928 patients1/55-star benchmark: 89%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 440 patients
2%440 patients4/55-star benchmark: 100%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
34%928 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

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

CARMEN KA MAN YUNG FNP-BC
Nurse Practitioner
1479 YGNACIO VALLEY RD STE 150
WALNUT CREEK, CA 94598
Contra Costa County (925) 296-7340
CHRISTINE SHIEH MD
Internal Medicine (Gastroenterology)
1479 YGNACIO VALLEY RD STE 150
WALNUT CREEK, CA 94598
Contra Costa County (925) 296-7340
ERIN WOLF MD
Internal Medicine (Gastroenterology)
1479 YGNACIO VALLEY RD STE 150
WALNUT CREEK, CA 94598
Contra Costa County (925) 296-7340
MAHER TAMA M.D.
Internal Medicine (Gastroenterology)
1479 YGNACIO VALLEY RD STE 150
WALNUT CREEK, CA 94598
Contra Costa County (925) 296-7340
STEPHANIE CHAN FNP-BC
Nurse Practitioner
1479 YGNACIO VALLEY RD STE 150
WALNUT CREEK, CA 94598
Contra Costa County (925) 296-7340

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Varujan Keledjian's NPI number?

The NPI number for Varujan Keledjian is 1508831678. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Varujan Keledjian located?

Varujan Keledjian practices at 1479 Ygnacio Valley Rd Ste 150, Walnut Creek, CA 94598. The listed phone number is (925) 296-7340.

What is Varujan Keledjian's specialty?

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

Is Varujan Keledjian enrolled in Medicare?

Yes. Varujan Keledjian is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Varujan Keledjian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Varujan Keledjian reassigns Medicare benefits to 2 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and John Muir Physician Network (Walnut Creek, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Varujan Keledjian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Varujan Keledjian was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.