Julia Jernberg, MD
Internal Medicine Physician · Tucson, AZ
Julia Jernberg, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1548221450, issued on Mar 30, 2006. Check the license (Arizona 29935, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Julia Jernberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 29935 AZ
35829 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3902 East Grant Road, Tucson, AZ 85712
- Phone
- (520) 468-4801
- Enumerated
- Mar 30, 2006
- Record last updated
- Apr 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (520) 337-7260
- Medicare enrollment
- Enrolled (PECOS I20120117000422); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Julia Jernberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 29935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia Jernberg among 2,853 internal medicine physician records in Arizona
Julia Jernberg, MD 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1990 · median 2003 among the 1,643 with a school on file
- Record last updated2016 · 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).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Abraham, MDTucson, AZ 857121669468195
- Sheela Bhat, M.D.Tucson, AZ 857121598752008
- Muralikrishna Bhat, M.D.Tucson, AZ 857121114914637
- Douglas Bischoff, M.D.Tucson, AZ 857121821085333
- George Haloftis, D.O.Tucson, AZ 857121740277268
- Thomas Headlee, M.D.Tucson, AZ 857121194711630
- Kathleen Iveson, M.D.Tucson, AZ 857121720074263
- Gerome Kantor, MDTucson, AZ 857121407850290
Common questions
What is Julia Jernberg, MD's NPI number?
Julia Jernberg, MD's National Provider Identifier (NPI) is 1548221450, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Julia Jernberg, MD located?
The NPPES record lists a practice address at 3902 East Grant Road, Tucson, AZ, 85712. Phone: (520) 468-4801. Providers update this record themselves, so call before visiting.
How can I verify Julia Jernberg, MD's license?
NPPES lists Arizona license number 29935, 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.
What is Julia Jernberg, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.