Dr. Ashtar Chami, MD
- Medicare services, 2024
- 306
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 164
- Hospital affiliations
- 3
- Industry payments
- $143
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chami's professional email, personal email and mobile number
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Dr. Ashtar Chami is a nephrologist in Boston, Massachusetts
Dr. Chami practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Chami's NPI, 1316107824, was assigned on June 10, 2008. Dr. Chami holds Georgia license 64636.
- NPI
- 1316107824NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092900530
- NPI enumeration date
- June 10, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ashtar Chami practices at Tufts Medical Center in Boston, Massachusetts
Dr. Chami's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Ashtar Chami is affiliated with 4 sites of care and 3 medical groups
Dr. Chami's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dr. Chami is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Chami to 1 more hospital, 2 medical groups and 1 imaging center, 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. Ashtar Chami's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chami practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ashtar Chami is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Chami's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Chami is licensed in Georgia.
Specialties and state licenses
- Nephrology, GeorgiaPrimary
Nephrologists near Dr. Chami
Counts of nephrologists 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. Ashtar Chami billed Medicare for 306 services in 2024
CMS data shows 306 Medicare services from Dr. Chami across 5 procedure codes in 2024, for 99 Medicare patients. Medicare paid $28,900 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chami's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2962024: 26510%
- Other services
- 2023: 02024: 41
Dr. Chami compared with the Massachusetts median for nephrologists, 2024
- Dr. Chami
- Massachusetts median
- Medicare services
- 306vs 70156% below
- Medicare patients
- 99vs 28265% below
- Part D claims
- 87vs 47182% below
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chami'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. Ashtar Chami treated 99 Medicare patients in 2024, average age 60
CMS counts 99 Medicare patients who saw Dr. Chami in 2024. The largest group is under 65, with 52 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 40% are also on Medicaid. Their average risk score is 5.73, 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. Chami's median patient age at 58, with 39% women.
Dr. Chami's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chami's Medicare patients by sex, 2024
- Women3434%
- Men6566%
Chronic conditions among Dr. Chami's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Mood disorders35%
- Heart failure34%
- Ischemic heart disease34%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chami's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women39%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ashtar Chami wrote 164 Medicare Part D claims in 2024
In 2024, Dr. Chami wrote 164 Medicare Part D claims for 23 patients. 90% of them were for generic drugs. CMS names the drug for 87 of them, across 4 drugs with 11 or more claims each, at $17,017 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Chami's Part D claims by kind of drug, 2024
- Generic148 claims90%
- Brand-name16 claims10%
Dr. Chami'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 152024: 87480%
Drugs named by CMS: 4 in 2024, 1 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. Ashtar Chami offers telehealth to Medicare patients
Dr. Chami accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chami as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ashtar Chami received $143 in industry payments from 2016 to 2023
CMS Open Payments shows 3 general payments to Dr. Chami from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $108.
General payments to Dr. Chami by program year, 2016 to 2023
Companies that paid Dr. Chami the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ashtar Chami'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ashtar Chami
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. Ashtar Chami's NPI number?
Dr. Ashtar Chami's NPI number is 1316107824. It was assigned on June 10, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ashtar Chami?
Dr. Ashtar Chami is a nephrologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Ashtar Chami practice?
Dr. Chami practices at 800 Washington Street, Boston, MA 02111. Dr. Chami's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Chami to 1 hospital, 2 medical groups and 1 imaging center.
What is Dr. Ashtar Chami's office phone number?
The practice phone on file for Dr. Chami is (617) 636-5000.
What is Dr. Ashtar Chami's medical license number?
Dr. Chami holds Georgia license 64636.
Which hospitals is Dr. Ashtar Chami affiliated with?
Dr. Chami practices at Tufts Medical Center in Boston, Massachusetts. Dr. Chami is also affiliated with MedStar Washington Hospital Center. Dmand AI links Dr. Chami to 1 more hospital.
What medical group is Dr. Ashtar Chami part of?
Dr. Chami is linked to MedStar Medical Group. Dmand AI links Dr. Chami to 2 more medical groups.
Does Dr. Ashtar Chami accept Medicare?
Yes. CMS data shows Dr. Chami billed Medicare for 306 services in 2024, and Dr. Chami accepts Medicare assignment.
Does Dr. Ashtar Chami offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chami as offering telehealth services.
How many Medicare patients does Dr. Ashtar Chami see?
CMS counts 99 Medicare patients who saw Dr. Chami in 2024, with an average age of 60.
Show 4 more questionsShow fewer questions
What services does Dr. Ashtar Chami bill to Medicare?
In 2024, Dr. Chami's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99233) and medicare service (G2211).
What drugs does Dr. Ashtar Chami prescribe most?
In 2024 Medicare Part D data, Dr. Chami's most prescribed drugs by claims were Nifedipine ER, Losartan Potassium and Carvedilol.
Has Dr. Ashtar Chami received payments from drug or device companies?
CMS Open Payments shows $143 in general payments to Dr. Chami from 2 companies from 2016 to 2023. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Ashtar Chami been practicing?
Dr. Chami graduated from medical school in 2003, 23 years ago.
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