Dr. Drew Stephen Tadiarca, MD
- Medicare services, 2024
- 216
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 666
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tadiarca's 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. Drew Stephen Tadiarca is an internist in Loma Linda, California
Dr. Tadiarca practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Dr. Tadiarca's NPI, 1275893810, was assigned on May 16, 2012. Dr. Tadiarca graduated from Loma Linda University School Of Medicine in 2012. Dr. Tadiarca holds California license A130516.
- NPI
- 1275893810NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395030167
- NPI enumeration date
- May 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 558-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Drew Stephen Tadiarca practices at Loma Linda University Medical Center in Loma Linda, California
Dr. Tadiarca's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Dr. Drew Stephen Tadiarca is affiliated with 1 site of care and 2 medical groups
Dr. Tadiarca's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Tadiarca to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Drew Stephen Tadiarca's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tadiarca practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Drew Stephen Tadiarca is one of 16,751 internists in California
Internal medicine is Dr. Tadiarca's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tadiarca is board certified in internal medicine by the American Board of Internal Medicine. Dr. Tadiarca is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, cellulitis, gastrointestinal bleeding, kidney failure and sepsis among the conditions Dr. Tadiarca treats.
Internists near Dr. Tadiarca
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. Drew Stephen Tadiarca billed Medicare for 216 services in 2024
CMS data shows 216 Medicare services from Dr. Tadiarca across 7 procedure codes in 2024, for 133 Medicare patients. Medicare paid $17,486 for them.
Dr. Tadiarca's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2522024: 21614%
Where Dr. Tadiarca's Medicare services took place, 2024
- In an office5224%
- In a facility16476%
Dr. Tadiarca compared with the California median for internists, 2024
- Dr. Tadiarca
- California median
- Medicare services
- 216vs 36140% below
- Medicare patients
- 133vs 15112% below
- Part D claims
- 318vs 42124% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tadiarca's 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. Tadiarca and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Drew Stephen Tadiarca treated 133 Medicare patients in 2024, average age 67
CMS counts 133 Medicare patients who saw Dr. Tadiarca in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 57% are also on Medicaid. Their average risk score is 2.95, 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. Tadiarca's median patient age at 49, with 54% women.
Dr. Tadiarca's Medicare patients by age, 2024
Dr. Tadiarca's Medicare patients by sex, 2024
- Women6851%
- Men6549%
Chronic conditions among Dr. Tadiarca's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Diabetes50%
- Arthritis49%
- Chronic kidney disease44%
- Heart failure40%
- Mood disorders40%
- Depression34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tadiarca's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Drew Stephen Tadiarca wrote 666 Medicare Part D claims in 2024
In 2024, Dr. Tadiarca wrote 666 Medicare Part D claims for 152 patients. 85% of them were for generic drugs. CMS names the drug for 318 of them, across 13 drugs with 11 or more claims each, at $6,117 in total drug cost. In 2023, CMS named 298 claims across 13 drugs.
Dr. Tadiarca's Part D claims by kind of drug, 2024
- Generic566 claims85%
- Brand-name and other100 claims15%
Dr. Tadiarca's 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. Tadiarca's Part D claims, 2024
- Opioids2%12 of 666 claims
- Antibiotics4%28 of 666 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: 2982024: 3187%
Drugs named by CMS: 13 in 2024, 13 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
Dr. Drew Stephen Tadiarca scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Tadiarca for performance year 2024, reported as part of a group. Dr. Tadiarca accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tadiarca's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Drew Stephen Tadiarca received $603 in industry payments from 2016 to 2024
CMS Open Payments shows 6 general payments to Dr. Tadiarca from 3 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 83% of the total. Stryker Corporation paid the most, $503.
General payments to Dr. Tadiarca by program year, 2016 to 2024
General payments to Dr. Tadiarca by kind, 2016 to 2024
- Travel and lodging$50383%
- Food and beverage$10017%
Companies that paid Dr. Tadiarca the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Drew Stephen Tadiarca graduated from Loma Linda University School Of Medicine
Dr. Tadiarca graduated from Loma Linda University School Of Medicine in 2012.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Drew Stephen Tadiarca accepts plans from 16 insurance carriers
Dr. Tadiarca is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Tadiarca accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Drew Stephen Tadiarca'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (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. Drew Stephen Tadiarca
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. Drew Stephen Tadiarca's NPI number?
Dr. Drew Stephen Tadiarca's NPI number is 1275893810. It was assigned on May 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Drew Stephen Tadiarca?
Dr. Drew Stephen Tadiarca is an internist in Loma Linda, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Drew Stephen Tadiarca practice?
Dr. Tadiarca practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Tadiarca's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Dr. Tadiarca to 1 medical group.
What is Dr. Drew Stephen Tadiarca's office phone number?
The practice phone on file for Dr. Tadiarca is (909) 558-4000.
What is Dr. Drew Stephen Tadiarca's medical license number?
Dr. Tadiarca holds California license A130516.
Which hospitals is Dr. Drew Stephen Tadiarca affiliated with?
Dr. Tadiarca practices at Loma Linda University Medical Center in Loma Linda, California.
What medical group is Dr. Drew Stephen Tadiarca part of?
Dr. Tadiarca is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Tadiarca to 1 more medical group.
Does Dr. Drew Stephen Tadiarca accept Medicare?
Yes. CMS data shows Dr. Tadiarca billed Medicare for 216 services in 2024, and Dr. Tadiarca accepts Medicare assignment.
What is Dr. Drew Stephen Tadiarca's MIPS score?
Dr. Tadiarca's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Drew Stephen Tadiarca see?
CMS counts 133 Medicare patients who saw Dr. Tadiarca in 2024, with an average age of 67.
Show 7 more questionsShow fewer questions
Is Dr. Drew Stephen Tadiarca board certified?
Yes. Dr. Tadiarca is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Drew Stephen Tadiarca bill to Medicare?
In 2024, Dr. Tadiarca's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and office visit, established patient (99214).
Where did Dr. Drew Stephen Tadiarca go to medical school?
Dr. Tadiarca graduated from Loma Linda University School Of Medicine in 2012.
What drugs does Dr. Drew Stephen Tadiarca prescribe most?
In 2024 Medicare Part D data, Dr. Tadiarca's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. Drew Stephen Tadiarca received payments from drug or device companies?
CMS Open Payments shows $603 in general payments to Dr. Tadiarca from 3 companies from 2016 to 2024. The largest total came from Stryker Corporation.
How long has Dr. Drew Stephen Tadiarca been practicing?
Dr. Tadiarca graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Drew Stephen Tadiarca accept?
Dr. Tadiarca is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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