Anita Chacko, DO
Internal Medicine Physician · Phoenix, AZ
Anita Chacko, DO is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1134784424, issued on May 2, 2019. Check the license (Arizona 009860, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Anita Chacko
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 009860 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2025 W Northern Ave, Phoenix, AZ 85021
- Phone
- (602) 655-6300
- Enumerated
- May 2, 2019
- Record last updated
- Aug 18, 2023
- Medicare enrollment
- Enrolled (PECOS I20230524002792); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Bradenton, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 2025 W Northern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Collette Harris, MDFamily Medicine Physician1639564164
Verify Anita Chacko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 009860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
307 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril37 claims
- Atorvastatin Calcium28 claims
- Amlodipine Besylate16 claims
- Metformin Hcl16 claims
- Levothyroxine Sodium15 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.
Bills Medicare through one group practice
- Maricopa County Special Health Care DistrictPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anita Chacko among 2,853 internal medicine physician records in Arizona
Anita Chacko, DO is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2003 among the 1,643 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Albert Asendorf, MDPhoenix, AZ 850211598960338
- Irvin Belzer, MDPhoenix, AZ 850211063450344
- Randolph Clark, M.D.Phoenix, AZ 850211568456036
- Keith Cunningham, MDPhoenix, AZ 850211285796185
- Charles Deakins, M.D.Phoenix, AZ 850211669658670
- Alvin Goldansky, MDPhoenix, AZ 850211104846914
- Darcie Groeper, D.O.Phoenix, AZ 850211407841166
- Theresa Hensler, M.D.Phoenix, AZ 850211386761484
Common questions
What is Anita Chacko, DO's NPI number?
Anita Chacko, DO's National Provider Identifier (NPI) is 1134784424, issued on May 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Anita Chacko, DO located?
The NPPES record lists a practice address at 2025 W Northern Ave, Phoenix, AZ, 85021. Phone: (602) 655-6300. Providers update this record themselves, so call before visiting.
How can I verify Anita Chacko, DO's license?
NPPES lists Arizona license number 009860, 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 Anita Chacko, DO prescribe under Medicare Part D?
In 2024, Anita Chacko, DO had 307 Medicare Part D claims for 47 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.