Dr. Antonio F. Chavez, MD
- Medicare services, 2024
- 22
- Medicare patients, 2024
- 53
- Hospital affiliations
- 1
- Industry payments
- $910
- Medical groups
- 2
- Practice address
- 50 George Karl Blvd, Williamsville, NY 14221
- Practice phone
- Call (716) 929-9502
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atlas Surgery Center - Williamsville
Surgery Center - Medicare-Certified · Williamsville, New York
Find Dr. Chavez'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. Antonio F. Chavez is an anesthesiologist in Buffalo, New York
Dr. Chavez practices at Atlas Surgery Center - Williamsville in Williamsville, New York.
Dr. Chavez's NPI, 1326044785, was assigned on June 21, 2005. Dr. Chavez graduated from Yale School of Medicine in 1995. Dr. Chavez's Texas license number on file is K8063.
- NPI
- 1326044785NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971648700
- NPI enumeration date
- June 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 929-9502
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Antonio F. Chavez practices in Williamsville and Buffalo
Dr. Chavez's primary practice is Atlas Surgery Center - Williamsville, at 50 George Karl Blvd, Williamsville, NY 14221. The practice phone is (716) 929-9502. Dr. Chavez also practices at Wehrle Drive ASC LLC, 35 George Karl Blvd, Buffalo, NY 14221.
- Atlas Surgery Center - WilliamsvillePrimary50 George Karl Blvd, Williamsville, NY 14221Phone(716) 929-9502
- Wehrle Drive ASC LLC35 George Karl Blvd, Buffalo, NY 14221 · Erie CountyPhone(716) 218-1000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Antonio F. Chavez is affiliated with 2 sites of care and 2 medical groups
Dr. Chavez's primary practice is Atlas Surgery Center - Williamsville in Williamsville, New York. Dr. Chavez is also affiliated with Kenmore Mercy Hospital. The medical group on file is Great Lakes Anesthesiology. Dmand AI also links Dr. Chavez 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. Antonio F. Chavez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chavez practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atlas Surgery Center - Williamsville | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Antonio F. Chavez is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Chavez's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chavez is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Chavez's licenses on file in 3 states: Texas, New York and Pennsylvania.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- New York license
- Pennsylvania license
Anesthesiologists near Dr. Chavez
Counts of anesthesiologists 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. Antonio F. Chavez billed Medicare for 22 services in 2024
CMS data shows 22 Medicare services from Dr. Chavez across 1 procedure code in 2024, for 53 Medicare patients. Medicare paid $2,176 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chavez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 922024: 2276%
Dr. Chavez compared with the New York median for anesthesiologists, 2024
- Dr. Chavez
- New York median
- Medicare services
- 22vs 7671% below
- Medicare patients
- 53vs 13260% below
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Dr. Chavez'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. Chavez and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Antonio F. Chavez treated 53 Medicare patients in 2024, average age 73
CMS counts 53 Medicare patients who saw Dr. Chavez in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chavez's median patient age at 65, with 61% women.
Dr. Chavez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chavez's Medicare patients by sex, 2024
- Women3566%
- Men1834%
Chronic conditions among Dr. Chavez's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure74%
- Chronic kidney disease23%
- Diabetes23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chavez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Antonio F. Chavez takes part in Medicare
Dr. Chavez 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. Antonio F. Chavez received $910 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Chavez from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. CONMED Corporation paid the most, $686.
General payments to Dr. Chavez by program year, 2016 to 2025
Companies that paid Dr. Chavez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Antonio F. Chavez graduated from Yale School of Medicine
Dr. Chavez graduated from Yale School of Medicine in 1995.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Antonio F. Chavez accepts plans from 18 insurance carriers
Dr. Chavez is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +10 more carriersWith a free account
Plan types Dr. Chavez accepts, by number of carriers
- PPO12
- HMO10
- Medicare7
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Antonio F. Chavez'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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) |
| 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. Antonio F. Chavez
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. Antonio F. Chavez's NPI number?
Dr. Antonio F. Chavez's NPI number is 1326044785. It was assigned on June 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Antonio F. Chavez?
Dr. Antonio F. Chavez is an anesthesiologist in Buffalo, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Antonio F. Chavez practice?
Dr. Chavez practices at 50 George Karl Blvd, Williamsville, NY 14221. Dr. Chavez also practices at 35 George Karl Blvd, Buffalo, NY 14221. Dr. Chavez's primary practice is Atlas Surgery Center - Williamsville in Williamsville, New York. Dmand AI also links Dr. Chavez to 1 medical group.
What is Dr. Antonio F. Chavez's office phone number?
The practice phone on file for Dr. Chavez is (716) 929-9502.
What is Dr. Antonio F. Chavez's medical license number?
Dr. Chavez's Texas license number on file is K8063, one of the licenses on file in 3 states.
Which states has Dr. Antonio F. Chavez been licensed in?
Dmand AI has state licenses on file for Dr. Chavez in Texas (1999 to 2025), New York (2024 to 2026) and Pennsylvania (1995 to 2000).
Which hospitals is Dr. Antonio F. Chavez affiliated with?
Dr. Chavez is affiliated with Kenmore Mercy Hospital.
What medical group is Dr. Antonio F. Chavez part of?
Dr. Chavez is linked to Great Lakes Anesthesiology. Dmand AI links Dr. Chavez to 1 more medical group.
Does Dr. Antonio F. Chavez accept Medicare?
Yes. CMS data shows Dr. Chavez billed Medicare for 22 services in 2024, and Dr. Chavez accepts Medicare assignment.
How many Medicare patients does Dr. Antonio F. Chavez see?
CMS counts 53 Medicare patients who saw Dr. Chavez in 2024, with an average age of 73.
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Is Dr. Antonio F. Chavez board certified?
Yes. Dr. Chavez is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Antonio F. Chavez bill to Medicare?
In 2024, Dr. Chavez's most billed Medicare services were anesthesia (01810).
Where did Dr. Antonio F. Chavez go to medical school?
Dr. Chavez graduated from Yale School of Medicine in 1995.
Has Dr. Antonio F. Chavez received payments from drug or device companies?
CMS Open Payments shows $910 in general payments to Dr. Chavez from 7 companies from 2016 to 2025. The largest total came from CONMED Corporation.
How long has Dr. Antonio F. Chavez been practicing?
Dr. Chavez graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Antonio F. Chavez accept?
Dr. Chavez is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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