Dr. Ammar Charestan, MD
- Medicare services, 2024
- 120
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 136
- MIPS score, 2024
- 89
- Industry payments
- $37
- Practice address
- 460 Nrth Elm, Escondido, CA 92025
- Practice phone
- Call (760) 737-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Neighborhood Healthcare - Escondido Elm
FQHC - Main Site · Escondido, California
Find Dr. Charestan'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. Ammar Charestan is a family medicine physician in Escondido, California
Dr. Charestan practices at Neighborhood Healthcare - Escondido Elm in Escondido, California.
Dr. Charestan's NPI, 1295181543, was assigned on May 5, 2016. Dr. Charestan graduated from University of Aleppo Faculty of Medicine in 2010. Dr. Charestan's California license number on file is A166970.
- NPI
- 1295181543NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779874110
- NPI enumeration date
- May 5, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 737-2000
- 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. Ammar Charestan practices at Neighborhood Healthcare - Escondido Elm in Escondido, California
Dr. Charestan's primary practice is Neighborhood Healthcare - Escondido Elm, at 460 Nrth Elm, Escondido, CA 92025 in San Diego County. The practice phone is (760) 737-2000.
- Neighborhood Healthcare - Escondido Elm460 Nrth Elm, Escondido, CA 92025 · San Diego CountyPhone(760) 737-2000
Source: Dmand AI Affiliation Data
Dr. Ammar Charestan is affiliated with 5 sites of care and 9 medical groups
Dr. Charestan's primary practice is Neighborhood Healthcare - Escondido Elm in Escondido, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Charestan to 8 more medical groups, 3 group practices and clinics and 1 community health center, each named with a free account. Dr. Charestan's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ammar Charestan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Charestan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Neighborhood Healthcare - Escondido Elm | Available with a free account |
| +4 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ammar Charestan is one of 15,680 family medicine physicians in California
Family medicine is Dr. Charestan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Charestan is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Charestan's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists acute skin infection, chest wall injury, contact dermatitis, corns and calluses, ear infection, eyelid inflammation, itchy rashes and joint pain among the conditions Dr. Charestan treats.
Family medicine physicians near Dr. Charestan
Counts of family 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. Ammar Charestan billed Medicare for 120 services in 2024
CMS data shows 120 Medicare services from Dr. Charestan across 5 procedure codes in 2024, for 107 Medicare patients. Medicare paid $8,806 for them. Every service was in an office.
Dr. Charestan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2432024: 8665%
- Lab and pathology
- 2023: 1192024: 3471%
- Surgery
- 2023: 232024: 0100%
Dr. Charestan compared with the California median for family medicine physicians, 2024
- Dr. Charestan
- California median
- Medicare services
- 120vs 24651% below
- Medicare patients
- 107vs 1189% below
- Part D claims
- 46vs 83394% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Charestan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ammar Charestan treated 107 Medicare patients in 2024, average age 75
CMS counts 107 Medicare patients who saw Dr. Charestan in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Charestan's median patient age at 43, with 56% women.
Dr. Charestan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Charestan's Medicare patients by sex, 2024
- Women7065%
- Men3735%
Chronic conditions among Dr. Charestan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis49%
- Diabetes40%
- Ischemic heart disease26%
- Mood disorders23%
- Depression22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Charestan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ammar Charestan wrote 136 Medicare Part D claims in 2024
In 2024, Dr. Charestan wrote 136 Medicare Part D claims for 98 patients. 90% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $555 in total drug cost. In 2023, CMS named 104 claims across 5 drugs.
Dr. Charestan's Part D claims by kind of drug, 2024
- Generic122 claims90%
- Brand-name and other14 claims10%
Dr. Charestan'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. Charestan's Part D claims, 2024
- Antibiotics43%58 of 136 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: 4656%
Drugs named by CMS: 3 in 2024, 5 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. Ammar Charestan 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. Charestan for performance year 2024, reported as part of a group. Dr. Charestan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Charestan's MIPS scores, performance year 2024
- 89of 100Final score
- 81of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 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. Ammar Charestan received $37 in industry payments from 2016 to 2019
CMS Open Payments shows 2 general payments to Dr. Charestan from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $21.
General payments to Dr. Charestan by program year, 2016 to 2019
Companies that paid Dr. Charestan the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ammar Charestan graduated from University of Aleppo Faculty of Medicine
Dr. Charestan graduated from University of Aleppo Faculty of Medicine in 2010.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Ammar Charestan accepts plans from 4 insurance carriers
Dr. Charestan is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
Plan types Dr. Charestan accepts, by number of carriers
- Medicare4
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ammar Charestan'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. Ammar Charestan
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. Ammar Charestan's NPI number?
Dr. Ammar Charestan's NPI number is 1295181543. It was assigned on May 5, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Ammar Charestan?
Dr. Ammar Charestan is a family medicine physician in Escondido, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ammar Charestan practice?
Dr. Charestan practices at 460 Nrth Elm, Escondido, CA 92025. Dr. Charestan's primary practice is Neighborhood Healthcare - Escondido Elm in Escondido, California. Dmand AI also links Dr. Charestan to 8 medical groups, 3 group practices and clinics and 1 community health center.
What is Dr. Ammar Charestan's office phone number?
The practice phone on file for Dr. Charestan is (760) 737-2000.
What is Dr. Ammar Charestan's medical license number?
Dr. Charestan's California license number on file is A166970, one of the licenses on file in 2 states.
Which states has Dr. Ammar Charestan been licensed in?
Dmand AI has state licenses on file for Dr. Charestan in California (2019 to 2025) and Michigan (2016 to 2025).
What medical group is Dr. Ammar Charestan part of?
Dr. Charestan is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Charestan to 8 more medical groups.
Does Dr. Ammar Charestan accept Medicare?
Yes. CMS data shows Dr. Charestan billed Medicare for 120 services in 2024, and Dr. Charestan accepts Medicare assignment.
What is Dr. Ammar Charestan's MIPS score?
Dr. Charestan'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. Ammar Charestan see?
CMS counts 107 Medicare patients who saw Dr. Charestan in 2024, with an average age of 75.
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Is Dr. Ammar Charestan board certified?
Yes. Dr. Charestan is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Ammar Charestan bill to Medicare?
In 2024, Dr. Charestan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Dr. Ammar Charestan go to medical school?
Dr. Charestan graduated from University of Aleppo Faculty of Medicine in 2010.
What drugs does Dr. Ammar Charestan prescribe most?
In 2024 Medicare Part D data, Dr. Charestan's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Albuterol Sulfate Hfa and Cephalexin.
Has Dr. Ammar Charestan received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Charestan from 2 companies from 2016 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Ammar Charestan been practicing?
Dr. Charestan graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Ammar Charestan accept?
Dr. Charestan is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan 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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