Christina A. Tretter, NP-C
Internal Medicine Physician · Phoenix, AZ
Christina A. Tretter, NP-C is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1073984639, issued on Oct 8, 2015. Check the license (Arizona TAP8161, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christina A. Tretter
- Credential
- NP-C
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- TAP8161 AZ
MT3783380 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1327 E Chandler Blvd, Phoenix, AZ 85048
- Phone
- (480) 501-9475
- Enumerated
- Oct 8, 2015
- Record last updated
- Jun 6, 2024
- Fax
- (480) 306-7674
- Medicare enrollment
- Enrolled (PECOS I20160406000674); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1327 E Chandler Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Schiffenhaus, DMDDentist1124476353
Verify Christina A. Tretter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license TAP8161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,725 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 881 claims were for opioids.
Most prescribed
- Oxycodone Hcl393 claims
- Gabapentin132 claims
- Oxycodone-Acetaminophen112 claims
- Hydrocodone-Acetaminophen109 claims
- Morphine Sulfate Er89 claims
- Amoxicillin-Clavulanate Potass76 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.
Industry payments in 2024: $201.89
12 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Stone Med LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina A. Tretter among 2,853 internal medicine physician records in Arizona
Christina A. Tretter, NP-C 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 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2003 among the 1,643 with a school on file
- Record last updated2024 · 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
- Pooja Bhardwaja, M.D.Phoenix, AZ 850481285621128
- Nicholas Caputo, D.O.Phoenix, AZ 850481609867829
- Connie Chan, MDPhoenix, AZ 850481740252584
- Sai Lakshmi Chandran, MDPhoenix, AZ 850481437123593
- Rajan Gaur, M.D.Phoenix, AZ 850481720047590
- Edouard Mouaikel, M.D.Phoenix, AZ 850481134120892
- Michael Pang, M.D.Phoenix, AZ 850481033105200
- Norberto Perez, D.O.Phoenix, AZ 850481083600167
Common questions
What is Christina A. Tretter, NP-C's NPI number?
Christina A. Tretter, NP-C's National Provider Identifier (NPI) is 1073984639, issued on Oct 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christina A. Tretter, NP-C located?
The NPPES record lists a practice address at 1327 E Chandler Blvd, Phoenix, AZ, 85048. Phone: (480) 501-9475. Providers update this record themselves, so call before visiting.
How can I verify Christina A. Tretter, NP-C's license?
NPPES lists Arizona license number TAP8161, 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 Christina A. Tretter, NP-C prescribe under Medicare Part D?
In 2024, Christina A. Tretter, NP-C had 2,725 Medicare Part D claims for 148 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.