Dr. Arieh Kestler, MD
- Medicare services, 2024
- 563
- Medicare patients, 2024
- 503
- Part D claims, 2024
- 178
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 2540 East St, Concord, CA 94520
- Practice phone
- Call (925) 682-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kestler's professional email, personal email and mobile number
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Dr. Arieh Kestler is an emergency medicine physician in Concord, California
Dr. Kestler practices at Concord Medical Center in Concord, California, part of John Muir Health.
Dr. Kestler's NPI, 1194037960, was assigned on July 9, 2010. Dr. Kestler graduated from University of Maryland School of Medicine in 2010. Dr. Kestler holds California license A124128.
- NPI
- 1194037960NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577703743
- NPI enumeration date
- July 9, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 682-8200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arieh Kestler practices at Concord Medical Center in Concord, California
Dr. Kestler's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.
- Concord Medical Center2540 East St, Concord, CA 94520 · Contra Costa CountyPhone(925) 682-8200
Source: Dmand AI Affiliation Data
Dr. Arieh Kestler is affiliated with 3 sites of care and 4 medical groups
Dr. Kestler's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dr. Kestler is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is Vituity. Dmand AI also links Dr. Kestler to 3 more medical groups and 1 group practice or clinic, 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. Arieh Kestler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kestler practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concord Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Arieh Kestler is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Kestler's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kestler is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Kestler
Counts of emergency medicine physicians 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. Arieh Kestler billed Medicare for 563 services in 2024
CMS data shows 563 Medicare services from Dr. Kestler across 4 procedure codes in 2024, for 503 Medicare patients. Medicare paid $73,783 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kestler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5692024: 50212%
- Tests and treatments
- 2023: 732024: 6116%
Dr. Kestler compared with the California median for emergency medicine physicians, 2024
- Dr. Kestler
- California median
- Medicare services
- 563vs 2652.1 times
- Medicare patients
- 503vs 2432.1 times
- Part D claims
- 62vs 62Close to median
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Kestler'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. Kestler and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arieh Kestler treated 503 Medicare patients in 2024, average age 76
CMS counts 503 Medicare patients who saw Dr. Kestler in 2024. The largest group is 75 to 84, with 200 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.18, 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. Kestler's median patient age at 46, with 54% women.
Dr. Kestler's Medicare patients by age, 2024
Dr. Kestler's Medicare patients by sex, 2024
- Women28857%
- Men21543%
Chronic conditions among Dr. Kestler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Chronic kidney disease40%
- Mood disorders39%
- Diabetes37%
- Anxiety35%
- Atrial fibrillation34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kestler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
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. Arieh Kestler wrote 178 Medicare Part D claims in 2024
In 2024, Dr. Kestler wrote 178 Medicare Part D claims for 125 patients. 94% of them were for generic drugs. CMS names the drug for 62 of them, across 3 drugs with 11 or more claims each, at $382 in total drug cost. In 2023, CMS named 104 claims across 6 drugs.
Dr. Kestler's Part D claims by kind of drug, 2024
- Generic167 claims94%
- Brand-name11 claims6%
Dr. Kestler'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. Kestler's Part D claims, 2024
- Opioids8%14 of 178 claims
- Antibiotics37%66 of 178 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: 1042024: 6240%
Drugs named by CMS: 3 in 2024, 6 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. Arieh Kestler scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Kestler for performance year 2024, reported as part of a group. Dr. Kestler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Kestler's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 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. Arieh Kestler received $18 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Kestler from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $18.
Companies that paid Dr. Kestler the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Arieh Kestler graduated from University of Maryland School of Medicine
Dr. Kestler graduated from University of Maryland School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Arieh Kestler'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 |
| 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. Arieh Kestler
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. Arieh Kestler's NPI number?
Dr. Arieh Kestler's NPI number is 1194037960. It was assigned on July 9, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Arieh Kestler?
Dr. Arieh Kestler is an emergency medicine physician in Concord, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Arieh Kestler practice?
Dr. Kestler practices at 2540 East St, Concord, CA 94520. Dr. Kestler's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dmand AI also links Dr. Kestler to 3 medical groups and 1 group practice or clinic.
What is Dr. Arieh Kestler's office phone number?
The practice phone on file for Dr. Kestler is (925) 682-8200.
What is Dr. Arieh Kestler's medical license number?
Dr. Kestler holds California license A124128.
Which hospitals is Dr. Arieh Kestler affiliated with?
Dr. Kestler practices at Concord Medical Center in Concord, California. Dr. Kestler is also affiliated with John Muir Medical Center, Walnut Creek.
What medical group is Dr. Arieh Kestler part of?
Dr. Kestler is linked to Vituity. Dmand AI links Dr. Kestler to 3 more medical groups.
Does Dr. Arieh Kestler accept Medicare?
Yes. CMS data shows Dr. Kestler billed Medicare for 563 services in 2024, and Dr. Kestler accepts Medicare assignment.
What is Dr. Arieh Kestler's MIPS score?
Dr. Kestler's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Arieh Kestler see?
CMS counts 503 Medicare patients who saw Dr. Kestler in 2024, with an average age of 76.
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What services does Dr. Arieh Kestler bill to Medicare?
In 2024, Dr. Kestler's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Arieh Kestler go to medical school?
Dr. Kestler graduated from University of Maryland School of Medicine in 2010.
What drugs does Dr. Arieh Kestler prescribe most?
In 2024 Medicare Part D data, Dr. Kestler's most prescribed drugs by claims were Cephalexin, Prednisone and Hydrocodone-Acetaminophen.
Has Dr. Arieh Kestler received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Kestler from 1 company from 2020 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Arieh Kestler been practicing?
Dr. Kestler graduated from medical school in 2010, 16 years ago.
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