Dr. Vahid Muzaffar Berdjis, MD
- Medicare services, 2024
- 32
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 260
- Hospital affiliations
- 1
- Industry payments
- $117
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Berdjis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Vahid Muzaffar Berdjis is an internist in Fontana, California
Dr. Berdjis practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Berdjis' NPI, 1245443175, was assigned on May 7, 2007. Dr. Berdjis graduated from St. George's University School of Medicine in 2003. Dr. Berdjis holds California license A99489.
- NPI
- 1245443175NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012008592
- NPI enumeration date
- May 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vahid Muzaffar Berdjis practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Berdjis' primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Vahid Muzaffar Berdjis is affiliated with 2 sites of care and 1 medical group
Dr. Berdjis' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Berdjis is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vahid Muzaffar Berdjis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Berdjis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vahid Muzaffar Berdjis is one of 16,751 internists in California
Internal medicine is Dr. Berdjis' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Berdjis is board certified in internal medicine by the American Board of Internal Medicine. Dr. Berdjis is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, gastrointestinal infection and sepsis among the conditions Dr. Berdjis treats.
Internists near Dr. Berdjis
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Vahid Muzaffar Berdjis billed Medicare for 32 services in 2024
CMS data shows 32 Medicare services from Dr. Berdjis across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $2,927 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Berdjis' Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 372024: 3214%
Dr. Berdjis compared with the California median for internists, 2024
- Dr. Berdjis
- California median
- Medicare services
- 32vs 36191% below
- Medicare patients
- 19vs 15187% below
- Part D claims
- 102vs 42176% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Berdjis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Berdjis and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Vahid Muzaffar Berdjis treated 19 Medicare patients in 2024, average age 68
CMS counts 19 Medicare patients who saw Dr. Berdjis in 2024. 75% of them have high blood pressure, and 63% have diabetes. Their average risk score is 2.37, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Berdjis' median patient age at 71, with 52% women.
Chronic conditions among Dr. Berdjis' Medicare patients, 2024
- High blood pressure75%
- Diabetes63%
- High cholesterol63%
- Heart failure58%
Share of Medicare patients with each condition. A patient can have several.
Dr. Berdjis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Vahid Muzaffar Berdjis wrote 260 Medicare Part D claims in 2024
In 2024, Dr. Berdjis wrote 260 Medicare Part D claims for 124 patients. 88% of them were for generic drugs. CMS names the drug for 102 of them, across 8 drugs with 11 or more claims each, at $1,292 in total drug cost. In 2023, CMS named 137 claims across 9 drugs.
Dr. Berdjis' Part D claims by kind of drug, 2024
- Generic229 claims88%
- Brand-name and other31 claims12%
Dr. Berdjis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Berdjis' Part D claims, 2024
- Antibiotics24%62 of 260 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1372024: 10226%
Drugs named by CMS: 8 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Vahid Muzaffar Berdjis takes part in Medicare
Dr. Berdjis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Vahid Muzaffar Berdjis received $117 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Berdjis from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $117.
Companies that paid Dr. Berdjis the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vahid Muzaffar Berdjis graduated from St. George's University School of Medicine
Dr. Berdjis graduated from St. George's University School of Medicine in 2003.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Vahid Muzaffar Berdjis accepts plans from 5 insurance carriers
Dr. Berdjis is in network with 5 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Berdjis accepts, by number of carriers
- Medicare4
- PPO3
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Vahid Muzaffar Berdjis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Vahid Muzaffar Berdjis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Vahid Muzaffar Berdjis' NPI number?
Dr. Vahid Muzaffar Berdjis' NPI number is 1245443175. It was assigned on May 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Vahid Muzaffar Berdjis?
Dr. Vahid Muzaffar Berdjis is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Vahid Muzaffar Berdjis practice?
Dr. Berdjis practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Berdjis' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Vahid Muzaffar Berdjis' office phone number?
The practice phone on file for Dr. Berdjis is (909) 427-5000.
What is Dr. Vahid Muzaffar Berdjis' medical license number?
Dr. Berdjis holds California license A99489.
Which hospitals is Dr. Vahid Muzaffar Berdjis affiliated with?
Dr. Berdjis is affiliated with Fontana Medical Center.
What medical group is Dr. Vahid Muzaffar Berdjis part of?
Dr. Berdjis is linked to Southern California Permanente Medical Group.
Does Dr. Vahid Muzaffar Berdjis accept Medicare?
Yes. CMS data shows Dr. Berdjis billed Medicare for 32 services in 2024, and Dr. Berdjis accepts Medicare assignment.
How many Medicare patients does Dr. Vahid Muzaffar Berdjis see?
CMS counts 19 Medicare patients who saw Dr. Berdjis in 2024, with an average age of 68.
Is Dr. Vahid Muzaffar Berdjis board certified?
Yes. Dr. Berdjis is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Vahid Muzaffar Berdjis bill to Medicare?
In 2024, Dr. Berdjis' most billed Medicare services were hospital inpatient care (99233).
Where did Dr. Vahid Muzaffar Berdjis go to medical school?
Dr. Berdjis graduated from St. George's University School of Medicine in 2003.
What drugs does Dr. Vahid Muzaffar Berdjis prescribe most?
In 2024 Medicare Part D data, Dr. Berdjis' most prescribed drugs by claims were Ondansetron ODT, Ciprofloxacin HCl and Furosemide.
Has Dr. Vahid Muzaffar Berdjis received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Dr. Berdjis from 1 company from 2017 to 2017. The largest total came from Amgen Inc.
How long has Dr. Vahid Muzaffar Berdjis been practicing?
Dr. Berdjis graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Vahid Muzaffar Berdjis accept?
Dr. Berdjis is in network with 5 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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