NPPES file of Aug 9, 2026

Julia A. Jacobs, M.D.

Internal Medicine Physician · Flagstaff, AZ

Julia A. Jacobs, M.D. is an internal medicine physician with a practice address in Flagstaff, Arizona, and NPI 1285862482, issued on Jun 25, 2009. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285862482
Name
Julia A. Jacobs
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
48523 TN
Self-reported in NPPES; status is on the state search
Practice location
1200 N Beaver St, Flagstaff, AZ 86001
Phone
(928) 214-2920
Enumerated
Jun 25, 2009
Record last updated
Jan 14, 2026
Medicare enrollment
Enrolled (PECOS I20260123003397); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 N Beaver St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Acquaviva, CRNACertified Registered Nurse Anesthetist1639238348
  2. Michelle Aerni, D.O.Critical Care Medicine (Anesthesiology) Physician1225014822
  3. Amit Agrawal, M.D.Neonatal-Perinatal Medicine Physician1306032701
  4. Muhammad Ali, MDCritical Care Medicine (Internal Medicine) Physician1801264353
  5. Kim AllenSpeech-Language Pathologist1356580484
  6. Bianca Anderson, MS, RDRegistered Dietitian1548609431

Verify Julia A. Jacobs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

391 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 13 claims were for opioids.

  1. Julia Jacobs391
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium57 claims
  2. Amlodipine Besylate51 claims
  3. Hydrochlorothiazide50 claims
  4. Metoprolol Succinate50 claims
  5. Eliquis14 claims
  6. Trazodone Hcl12 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 2 group practices

  1. Northern Arizona Healthcare CorporationFlagstaff, AZ
  2. Warner Physician Services PCNashville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Julia A. Jacobs among 2,853 internal medicine physician records in Arizona

Julia A. Jacobs, M.D. 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 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2009 · median 2003 among the 1,643 with a school on file
  • Record last updated2026 · 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).

Internal Medicine Physician providers in Arizona

There are 2,853 internal medicine physician records in Arizona.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jane Bigler, MDFlagstaff, AZ 860011285607952
  2. Heather Crittenden, MDFlagstaff, AZ 860011467448142
  3. Bradley Dixon, MDFlagstaff, AZ 860011053393363
  4. Margaret Donnelly, MDFlagstaff, AZ 860011316924905
  5. Sharon Drake, D.O.Flagstaff, AZ 860011801996632
  6. Mark Foster, M.D.Flagstaff, AZ 860011710950480
  7. James Galloway, MDFlagstaff, AZ 860011053427229
  8. Thomas Ho, M.D.Flagstaff, AZ 860011538154505

Common questions

What is Julia A. Jacobs, M.D.'s NPI number?

Julia A. Jacobs, M.D.'s National Provider Identifier (NPI) is 1285862482, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Julia A. Jacobs, M.D. located?

The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 214-2920. Providers update this record themselves, so call before visiting.

How can I verify Julia A. Jacobs, M.D.'s license?

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 Julia A. Jacobs, M.D. prescribe under Medicare Part D?

In 2024, Julia A. Jacobs, M.D. had 391 Medicare Part D claims for 64 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.