Am J Physiol Heart Circ Physiol
Dr. Ajay K. Taggar, MD
- Medicare services, 2024
- 107
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 645
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 4501 Sand Creek Road, Antioch, CA 94531
- Practice phone
- Call (925) 813-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Taggar'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. Ajay K. Taggar is a hospitalist in Antioch, California
Dr. Taggar practices at Antioch Medical Center in Antioch, California, part of Kaiser Permanente.
Dr. Taggar's NPI, 1720309958, was assigned on June 22, 2010. Dr. Taggar graduated from St. Matthew's University in 2009. Dr. Taggar's Nevada license number on file is 15643.
- NPI
- 1720309958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456674480
- NPI enumeration date
- June 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 813-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ajay K. Taggar practices at Antioch Medical Center in Antioch, California
Dr. Taggar's primary practice is Antioch Medical Center, at 4501 Sand Creek Road, Antioch, CA 94531 in Contra Costa County. The practice phone is (925) 813-6500.
- Antioch Medical Center4501 Sand Creek Road, Antioch, CA 94531 · Contra Costa CountyPhone(925) 813-6500
Source: Dmand AI Affiliation Data
Dr. Ajay K. Taggar is affiliated with 2 sites of care and 5 medical groups
Dr. Taggar's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dr. Taggar is also affiliated with Renown Regional Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Taggar to 4 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ajay K. Taggar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Taggar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Antioch Medical Center | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ajay K. Taggar is one of 3,186 hospitalists in California
Hospitalist is Dr. Taggar's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Taggar is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Taggar's licenses on file in 3 states: Nevada, Georgia and California.
Specialties and state licenses
- Hospitalist, NevadaPrimary
- Internal medicine, Georgia
- California license
Clinical focus
Dmand AI lists acute respiratory failure, acute stomach ulcer, cardiac arrhythmia, cellulitis, circulation problems, congestive heart failure, electrolyte disorders and gastrointestinal bleeding among the conditions Dr. Taggar treats.
Hospitalists near Dr. Taggar
Counts of hospitalists 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. Ajay K. Taggar billed Medicare for 107 services in 2024
CMS data shows 107 Medicare services from Dr. Taggar across 2 procedure codes in 2024, for 42 Medicare patients. Medicare paid $7,373 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Taggar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4422024: 10776%
Dr. Taggar compared with the California median for hospitalists, 2024
- Dr. Taggar
- California median
- Medicare services
- 107vs 43075% below
- Medicare patients
- 42vs 20179% below
- Part D claims
- 309vs 694.5 times
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Taggar'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. Taggar and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ajay K. Taggar treated 42 Medicare patients in 2024, average age 68
CMS counts 42 Medicare patients who saw Dr. Taggar in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.55, 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. Taggar's median patient age at 72, with 54% women.
Dr. Taggar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Taggar's Medicare patients by sex, 2024
- Women1740%
- Men2560%
Chronic conditions among Dr. Taggar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Chronic kidney disease52%
- Arthritis45%
- Ischemic heart disease45%
- Mood disorders43%
- Anxiety40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Taggar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ajay K. Taggar wrote 645 Medicare Part D claims in 2024
In 2024, Dr. Taggar wrote 645 Medicare Part D claims for 192 patients. 85% of them were for generic drugs. CMS names the drug for 309 of them, across 15 drugs with 11 or more claims each, at $13,300 in total drug cost. In 2023, CMS named 207 claims across 12 drugs.
Dr. Taggar's Part D claims by kind of drug, 2024
- Generic550 claims85%
- Brand-name and other95 claims15%
Dr. Taggar'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. Taggar's Part D claims, 2024
- Opioids3%20 of 645 claims
- Antibiotics18%119 of 645 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: 2072024: 30949%
Drugs named by CMS: 15 in 2024, 12 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. Ajay K. Taggar takes part in Medicare
Dr. Taggar 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. Ajay K. Taggar has 1 publication on record
Dmand AI links 1 paper to Dr. Taggar in 2011. Dr. Taggar's most frequent co-authors are Abdulhameed Aziz, MD, Hersh S. Maniar, MD and Marc R. Moon, MD.
Dr. Taggar's most frequent co-authors
Recent publications by Dr. Taggar
See who Dr. Taggar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Taggar works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ajay K. Taggar received $419 in industry payments from 2016 to 2022
CMS Open Payments shows 33 general payments to Dr. Taggar from 6 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $167.
General payments to Dr. Taggar by program year, 2016 to 2022
Companies that paid Dr. Taggar the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ajay K. Taggar graduated from St. Matthew's University
Dr. Taggar graduated from St. Matthew's University in 2009.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ajay K. Taggar accepts plans from 8 insurance carriers
Dr. Taggar is in network with 8 carriers, including HCSC, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- HCSC
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- United Healthcare
- CMS Medicare
- Elevance
- GA State Medicaid
- NV State Medicaid
Plan types Dr. Taggar accepts, by number of carriers
- Medicare4
- PPO4
- HMO2
- Medicaid2
- EPO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ajay K. Taggar'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ajay K. Taggar
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. Ajay K. Taggar's NPI number?
Dr. Ajay K. Taggar's NPI number is 1720309958. It was assigned on June 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Ajay K. Taggar?
Dr. Ajay K. Taggar is a hospitalist in Antioch, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ajay K. Taggar practice?
Dr. Taggar practices at 4501 Sand Creek Road, Antioch, CA 94531. Dr. Taggar's primary practice is Antioch Medical Center in Antioch, California, part of Kaiser Permanente. Dmand AI also links Dr. Taggar to 4 medical groups.
What is Dr. Ajay K. Taggar's office phone number?
The practice phone on file for Dr. Taggar is (925) 813-6500.
What is Dr. Ajay K. Taggar's medical license number?
Dr. Taggar's Nevada license number on file is 15643, one of the licenses on file in 3 states.
Which states has Dr. Ajay K. Taggar been licensed in?
Dmand AI has state licenses on file for Dr. Taggar in Nevada (2014 to 2025), Georgia (2014 to 2026) and California (2021 to 2025).
Which hospitals is Dr. Ajay K. Taggar affiliated with?
Dr. Taggar practices at Antioch Medical Center in Antioch, California. Dr. Taggar is also affiliated with Renown Regional Medical Center.
What medical group is Dr. Ajay K. Taggar part of?
Dr. Taggar is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Taggar to 4 more medical groups.
Does Dr. Ajay K. Taggar accept Medicare?
Yes. CMS data shows Dr. Taggar billed Medicare for 107 services in 2024, and Dr. Taggar accepts Medicare assignment.
How many Medicare patients does Dr. Ajay K. Taggar see?
CMS counts 42 Medicare patients who saw Dr. Taggar in 2024, with an average age of 68.
Show 9 more questionsShow fewer questions
Is Dr. Ajay K. Taggar board certified?
Yes. Dr. Taggar is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ajay K. Taggar bill to Medicare?
In 2024, Dr. Taggar's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Dr. Ajay K. Taggar go to medical school?
Dr. Taggar graduated from St. Matthew's University in 2009.
What drugs does Dr. Ajay K. Taggar prescribe most?
In 2024 Medicare Part D data, Dr. Taggar's most prescribed drugs by claims were Furosemide, Cefpodoxime Proxetil and Atorvastatin Calcium.
Has Dr. Ajay K. Taggar received payments from drug or device companies?
CMS Open Payments shows $419 in general payments to Dr. Taggar from 6 companies from 2016 to 2022. The largest total came from Pfizer Inc.
How long has Dr. Ajay K. Taggar been practicing?
Dr. Taggar graduated from medical school in 2009, 17 years ago.
Does Dr. Ajay K. Taggar do research?
Dmand AI links 1 publication to Dr. Taggar.
Who does Dr. Ajay K. Taggar publish with?
Dr. Taggar's most frequent co-authors are Abdulhameed Aziz, MD (1 shared paper), Hersh S. Maniar, MD (1 shared paper) and Marc R. Moon, MD (1 shared paper).
What insurance does Dr. Ajay K. Taggar accept?
Dr. Taggar is in network with 8 carriers, including HCSC, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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