Dr. Ammar H. Changezi, MD
- Industry payments
- $14
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 680 Cohasset Road, Chico, CA 95926
- Practice phone
- Call (530) 342-4395
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chico Medical, Pediatrics & Xpress Care
FQHC - Main Site · Chico, California
Find Dr. Changezi'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 H. Changezi is a pediatrician in Chico, California
Dr. Changezi practices at Chico Medical, Pediatrics & Xpress Care in Chico, California.
Dr. Changezi's NPI, 1538428040, was assigned on May 4, 2012. Dr. Changezi graduated from Oregon Health Sciences University School of Medicine in 2011. Dr. Changezi holds California license A124699.
- NPI
- 1538428040NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284934233
- NPI enumeration date
- May 4, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 342-4395
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ammar H. Changezi practices at Chico Medical, Pediatrics & Xpress Care in Chico, California
Dr. Changezi's primary practice is Chico Medical, Pediatrics & Xpress Care, at 680 Cohasset Road, Chico, CA 95926 in Butte County. The practice phone is (530) 342-4395.
- Chico Medical, Pediatrics & Xpress Care680 Cohasset Road, Chico, CA 95926 · Butte CountyPhone(530) 342-4395
Source: Dmand AI Affiliation Data
Dr. Ammar H. Changezi is affiliated with 2 sites of care and 1 medical group
Dr. Changezi's primary practice is Chico Medical, Pediatrics & Xpress Care in Chico, California. The medical group on file is Ampla Health Oroville Medical & Dental. Dmand AI also links Dr. Changezi to 1 more behavioral health center, named with a free account. Dr. Changezi'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 H. Changezi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Changezi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chico Medical, Pediatrics & Xpress Care | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ammar H. Changezi is one of 8,236 pediatricians in California
Pediatrics is Dr. Changezi's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Changezi is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Changezi
Counts of pediatricians 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 H. Changezi's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Changezi's median patient age at 11, with 48% women.
Dr. Changezi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
How Dr. Ammar H. Changezi takes part in Medicare
Dr. Changezi 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)
Dr. Ammar H. Changezi received $14 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Changezi from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $14.
Companies that paid Dr. Changezi the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ammar H. Changezi graduated from Oregon Health Sciences University School of Medicine
Dr. Changezi graduated from Oregon Health Sciences University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ammar H. Changezi'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| 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 H. Changezi
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 H. Changezi's NPI number?
Dr. Ammar H. Changezi's NPI number is 1538428040. It was assigned on May 4, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ammar H. Changezi?
Dr. Ammar H. Changezi is a pediatrician in Chico, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Ammar H. Changezi practice?
Dr. Changezi practices at 680 Cohasset Road, Chico, CA 95926. Dr. Changezi's primary practice is Chico Medical, Pediatrics & Xpress Care in Chico, California. Dmand AI also links Dr. Changezi to 1 behavioral health center.
What is Dr. Ammar H. Changezi's office phone number?
The practice phone on file for Dr. Changezi is (530) 342-4395.
What is Dr. Ammar H. Changezi's medical license number?
Dr. Changezi holds California license A124699.
What medical group is Dr. Ammar H. Changezi part of?
Dr. Changezi is linked to Ampla Health Oroville Medical & Dental.
Does Dr. Ammar H. Changezi accept Medicare?
Yes. CMS lists Dr. Changezi as accepting Medicare assignment.
Where did Dr. Ammar H. Changezi go to medical school?
Dr. Changezi graduated from Oregon Health Sciences University School of Medicine in 2011.
Has Dr. Ammar H. Changezi received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Changezi from 1 company from 2018 to 2018. The largest total came from Boston Scientific Corporation.
How long has Dr. Ammar H. Changezi been practicing?
Dr. Changezi graduated from medical school in 2011, 15 years ago.
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