NPPES file of Aug 9, 2026

Julie A. Sowerby, DO

Pain Medicine (Anesthesiology) Physician · Chico, CA

Julie A. Sowerby, DO is a pain medicine (anesthesiology) physician with a practice address in Chico, California, and NPI 1578596557, issued on Jul 10, 2006. Check the license (California 20A7601, as entered in NPPES) on the Medical Board of California; 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
1578596557
Name
Julie A. Sowerby
Credential
DO
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
20A7601 CA
Self-reported in NPPES; status is on the state search
Practice location
2062 Talbert Dr Ste 300, Chico, CA 95928
Phone
(530) 924-4227
Enumerated
Jul 10, 2006
Record last updated
Jan 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(530) 566-1124
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Julie A. Sowerby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7601
    Check 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 California license search

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75% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

430 Medicare Part D claims for 48 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 326 claims were for opioids.

  1. Julie Sowerby430
  2. Specialty average1,750

Most prescribed

  1. Hydrocodone-Acetaminophen179 claims
  2. Morphine Sulfate Er48 claims
  3. Baclofen39 claims
  4. Pregabalin29 claims
  5. Oxycodone-Acetaminophen26 claims
  6. Tramadol Hcl20 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: $236.86

14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julie Sowerby$236.86
  2. Specialty average$3,225.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Julie A. Sowerby among 536 pain medicine (anesthesiology) physician records in California

Julie A. Sowerby, DO is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 57% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2014 · 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 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in California

There are 536 pain medicine (anesthesiology) physician records in California.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Brett Butz, MDChico, CA 959261538155668
  2. Juichung Hung, MDParadise, CA 959691053585984
  3. Michael Gasman, MDRedding, CA 960011851461248
  4. Robert Hansen, MDRedding, CA 960011407821317
  5. Forrest Monroe, MDRedding, CA 960011114362019
  6. Syed Mohammad Mahmood, MDSacramento, CA 958251689165367
  7. Cesar Maurtua, M.D.Sacramento, CA 958251619005121
  8. Charles Aguilar, M.D.Sacramento, CA 958231215331426

Common questions

What is Julie A. Sowerby, DO's NPI number?

Julie A. Sowerby, DO's National Provider Identifier (NPI) is 1578596557, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julie A. Sowerby, DO located?

The NPPES record lists a practice address at 2062 Talbert Dr Ste 300, Chico, CA, 95928. Phone: (530) 924-4227. Providers update this record themselves, so call before visiting.

How can I verify Julie A. Sowerby, DO's license?

NPPES lists California license number 20A7601, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Julie A. Sowerby, DO prescribe under Medicare Part D?

In 2024, Julie A. Sowerby, DO had 430 Medicare Part D claims for 48 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.