James Ira Wallstrom, MD
Internal Medicine Physician · Glendale, CA
James Ira Wallstrom, MD is an internal medicine physician with a practice address in Glendale, California, and NPI 1710927025, issued on Jun 7, 2006. Check the license (California G74317, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Ira Wallstrom
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G74317 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1809 Verdugo Blvd Ste 350, Glendale, CA 91208
- Phone
- (818) 790-0914
- Enumerated
- Jun 7, 2006
- Record last updated
- Jul 9, 2026
- Fax
- (818) 790-2816
- Medicare enrollment
- Enrolled (PECOS I20100427000272); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1809 Verdugo Blvd Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Cheung, DOFamily Medicine Physician1164862728
- Katherine HammondNurse Practitioner1033988647
- Edmund Lew, M.D.Family Medicine Physician1528027836
- Ryan Lew, MSN-E, RN, FNPFamily Nurse Practitioner1760261218
- Ronald Woodard, M.D.Obstetrics & Gynecology Physician1609843259
Verify James Ira Wallstrom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G74317Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
3,623 Medicare Part D claims for 207 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium169 claims
- Levothyroxine Sodium139 claims
- Tamsulosin Hcl129 claims
- Amlodipine Besylate89 claims
- Prednisone81 claims
- Montelukast Sodium70 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: $205.59
5 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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
- Matthew Lew MD IncGlendale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Ira Wallstrom among 17,696 internal medicine physician records in California
James Ira Wallstrom, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
92 internal medicine physician records list a practice address in Glendale
They are 92 of the 4,742 NPPES records with a practice address in Glendale, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Glendale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amalia Armenta, MDGlendale, CA 912081902959240
- Emil Avanes, M.D.Glendale, CA 912081508023318
- Donald Barber, MDGlendale, CA 912081295797439
- Gregory Beeve, MDGlendale, CA 912081134144223
- Ellie Bloomfield, M.D.Glendale, CA 912081013977206
- Patricia Duarte, MDGlendale, CA 912081528023173
- Hanriet Minasian, D.O.Glendale, CA 912081194765594
- Alen Mirzaian, M.D.Glendale, CA 912081043209554
Common questions
What is James Ira Wallstrom, MD's NPI number?
James Ira Wallstrom, MD's National Provider Identifier (NPI) is 1710927025, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Ira Wallstrom, MD located?
The NPPES record lists a practice address at 1809 Verdugo Blvd Ste 350, Glendale, CA, 91208. Phone: (818) 790-0914. Providers update this record themselves, so call before visiting.
How can I verify James Ira Wallstrom, MD's license?
NPPES lists California license number G74317, 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 James Ira Wallstrom, MD prescribe under Medicare Part D?
In 2024, James Ira Wallstrom, MD had 3,623 Medicare Part D claims for 207 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.