Dr. John C. Baker, MD
- Part D claims, 2024
- 29
- Industry payments
- $694
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 1919 E Thomas Rd, Phoenix, AZ 85016
- Practice phone
- Call (602) 933-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Phoenix Childrens Hospital
Phoenix, Arizona
Find Dr. Baker'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. John C. Baker is a clinical genetics (m.d.) physician in Phoenix, Arizona
Dr. Baker practices at Phoenix Childrens Hospital in Phoenix, Arizona.
Dr. Baker's NPI, 1659459444, was assigned on November 1, 2006. Dr. Baker graduated from West Virginia University School Of Medicine in 1981. Dr. Baker's Arizona license number on file is 56346.
- NPI
- 1659459444NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (602) 933-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John C. Baker practices at Phoenix Childrens Hospital in Phoenix, Arizona
Dr. Baker's primary practice is Phoenix Childrens Hospital, at 1919 E Thomas Rd, Phoenix, AZ 85016 in Maricopa County. The practice phone is (602) 933-1000.
- Phoenix Childrens Hospital1919 E Thomas Rd, Phoenix, AZ 85016 · Maricopa CountyPhone(602) 933-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John C. Baker is affiliated with 2 sites of care and 1 medical group
Dr. Baker's primary practice is Phoenix Childrens Hospital in Phoenix, Arizona. The medical group on file is Phoenix Children's Medical Group. Dmand AI also links Dr. Baker to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John C. Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phoenix Childrens Hospital | 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. John C. Baker is one of 12 clinical genetics (m.d.) physicians in Arizona
Clinical genetics (m.d.) is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 207SG0201X. Dr. Baker is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics. Dmand AI has Dr. Baker's licenses on file in 4 states: Arizona, California, West Virginia and Pennsylvania.
Specialties and state licenses
- Clinical genetics (m.d.), ArizonaPrimary
- California license
- West Virginia license
- Pennsylvania license
Clinical genetics (m.d.) physicians near Dr. Baker
Counts of clinical genetics (m.d.) 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. John C. Baker's patients have a median age of 23
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 23, with 78% women.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 23
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. John C. Baker wrote 29 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 29 Medicare Part D claims. They cover 5 drugs, with $1,763,008 in total drug cost. In 2022, CMS named 75 claims across 4 drugs.
Dr. Baker's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 752023: 6612%
Drugs named by CMS: 5 in 2023, 4 in 2022.
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
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Dr. John C. Baker received $694 in industry payments from 2018 to 2023
CMS Open Payments shows 42 general payments to Dr. Baker from 9 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 74% of the total. Ultragenyx Pharmaceutical Inc. paid the most, $273.
General payments to Dr. Baker by program year, 2018 to 2023
General payments to Dr. Baker by kind, 2018 to 2023
- Food and beverage$51574%
- Education$17926%
Companies that paid Dr. Baker the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John C. Baker graduated from West Virginia University School Of Medicine
Dr. Baker graduated from West Virginia University School Of Medicine in 1981.
- Medical school
- Board certified in clinical biochemical genetics
- Board certified in clinical genetics
Source: Dmand AI Professional Profile Data
Dr. John C. Baker accepts plans from 1 insurance carrier
Dr. Baker is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- NV State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. John C. Baker'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. John C. Baker
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. John C. Baker's NPI number?
Dr. John C. Baker's NPI number is 1659459444. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Baker?
Dr. John C. Baker is a clinical genetics (m.d.) physician in Phoenix, Arizona. The primary specialty in the NPI Registry is Clinical Genetics (M.D.) Physician (taxonomy code 207SG0201X).
Where does Dr. John C. Baker practice?
Dr. Baker practices at 1919 E Thomas Rd, Phoenix, AZ 85016. Dr. Baker's primary practice is Phoenix Childrens Hospital in Phoenix, Arizona. Dmand AI also links Dr. Baker to 1 group practice or clinic.
What is Dr. John C. Baker's office phone number?
The practice phone on file for Dr. Baker is (602) 933-1000.
What is Dr. John C. Baker's medical license number?
Dr. Baker's Arizona license number on file is 56346, one of the licenses on file in 4 states.
Which states has Dr. John C. Baker been licensed in?
Dmand AI has state licenses on file for Dr. Baker in Arizona (2018 to 2025), California (since 2019), West Virginia (1983 to 1992) and Pennsylvania (1984 to 1988).
What medical group is Dr. John C. Baker part of?
Dr. Baker is linked to Phoenix Children's Medical Group.
Is Dr. John C. Baker board certified?
Yes. Dr. Baker is board certified in clinical biochemical genetics by the American Board of Medical Genetics and Genomics.
Where did Dr. John C. Baker go to medical school?
Dr. Baker graduated from West Virginia University School Of Medicine in 1981.
What drugs does Dr. John C. Baker prescribe most?
In 2023 Medicare Part D data, Dr. Baker's most prescribed drugs by claims were Palynziq, Cerdelga and Kuvan.
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Has Dr. John C. Baker received payments from drug or device companies?
CMS Open Payments shows $694 in general payments to Dr. Baker from 9 companies from 2018 to 2023. The largest total came from Ultragenyx Pharmaceutical Inc.
How long has Dr. John C. Baker been practicing?
Dr. Baker graduated from medical school in 1981, 45 years ago.
What insurance does Dr. John C. Baker accept?
Dr. Baker is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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