John C. Baker, MD
Clinical Genetics (M.D.) Physician · Phoenix, AZ
John C. Baker, MD is a clinical genetics (m.d.) physician with a practice address in Phoenix, Arizona, and NPI 1659459444, issued on Nov 1, 2006. Check the license (Arizona 56346, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John C. Baker
- Credential
- MD
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License numbers
- 56346 AZ
G77284 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1920 E Cambridge Ave Ste 304, Phoenix, AZ 85006
- Phone
- (602) 933-4363
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (602) 933-2415
- Medicaid ID
- 00G772840 CA
- Entity
- Type 1 · individual
8 nearest clinical genetics (m.d.) physician records → All 14 in Arizona → Look up another NPI →
Also registered at 1920 E Cambridge Ave Ste 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Abbott, MSGenetic Counselor (M.S.)1841818382
- Peggy Kulch, MSGenetic Counselor (M.S.)1548119910
- Kristin Lindstrom, MDClinical Genetics (M.D.) Physician1306023593
- Derek Neilson, MDClinical Genetics (M.D.) Physician1548293822
- Gena Wilson, PNPPediatric Nurse Practitioner1861453490
Verify John C. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 56346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average clinical genetics (m.d.) physician in 2024
29 Medicare Part D claims, against an average of 59 among the 193 providers of this specialty who prescribed in Part D. Brand-name drugs were 93% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John C. Baker among 14 clinical genetics (m.d.) physician records in Arizona
John C. Baker, MD is one of 14 clinical genetics (m.d.) physician records with a practice address in Arizona. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 50% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207SG0201X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Genetics (M.D.) Physician providers in Arizona
There are 14 clinical genetics (m.d.) physician records in Arizona.
All 14 in Arizona → Every provider in Phoenix → Clinical Genetics (M.D.) Physician nationwide →
The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Kristin Lindstrom, MDPhoenix, AZ 850061306023593
- Derek Neilson, MDPhoenix, AZ 850061548293822
- Theresa Grebe, M.D.Phoenix, AZ 850161346202991
- Jasmine Knoll, M.D.Phoenix, AZ 850161457745341
- Rachel Lombardo, M.D.Phoenix, AZ 850161629412978
- Margaret Pearson, MDScottsdale, AZ 852541396775482
- Radhika Dhamija, M.D.Scottsdale, AZ 852591598967291
- June-Anne Gold, M.D.Scottsdale, AZ 852591982927729
Common questions
What is John C. Baker, MD's NPI number?
John C. Baker, MD's National Provider Identifier (NPI) is 1659459444, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Baker, MD located?
The NPPES record lists a practice address at 1920 E Cambridge Ave Ste 304, Phoenix, AZ, 85006. Phone: (602) 933-4363. Providers update this record themselves, so call before visiting.
How can I verify John C. Baker, MD's license?
NPPES lists Arizona license number 56346, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John C. Baker, MD prescribe under Medicare Part D?
In 2024, John C. Baker, MD had 29 Medicare Part D claims; the average among clinical genetics (m.d.) physician prescribers was 59. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.