Emily Elizabeth Ryan, MD
Internal Medicine Physician · Northridge, CA
Emily Elizabeth Ryan, MD is an internal medicine physician with a practice address in Northridge, California, and NPI 1255565230, issued on May 6, 2009. Check the license (California A121515, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Emily Elizabeth Ryan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A121515 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8510 Balboa Blvd, Northridge, CA 91325
- Phone
- (818) 637-2000
- Enumerated
- May 6, 2009
- Record last updated
- Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (818) 654-3417
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8510 Balboa Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emily Elizabeth Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
122 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
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: $112.92
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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.
Emily Elizabeth Ryan among 17,696 internal medicine physician records in California
Emily Elizabeth Ryan, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 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).
38 internal medicine physician records list a practice address in Northridge
They are 38 of the 2,598 NPPES records with a practice address in Northridge, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Northridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Masoud Azizad, MDNorthridge, CA 913251033174826
- Christopher Buttelman, MDNorthridge, CA 913251437128840
- Christopher Chow, MDNorthridge, CA 913251528024122
- Samuel Feizi, MDNorthridge, CA 913251356389274
- Lev Gelman, MDNorthridge, CA 913251851356018
- William Josephson, MDNorthridge, CA 913251376647651
- Shahid Khan, MDNorthridge, CA 913251770518771
- Daniel Lewis, MD.Northridge, CA 913251508974718
Common questions
What is Emily Elizabeth Ryan, MD's NPI number?
Emily Elizabeth Ryan, MD's National Provider Identifier (NPI) is 1255565230, issued on May 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Emily Elizabeth Ryan, MD located?
The NPPES record lists a practice address at 8510 Balboa Blvd, Northridge, CA, 91325. Phone: (818) 637-2000. Providers update this record themselves, so call before visiting.
How can I verify Emily Elizabeth Ryan, MD's license?
NPPES lists California license number A121515, 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 Emily Elizabeth Ryan, MD prescribe under Medicare Part D?
In 2024, Emily Elizabeth Ryan, MD had 122 Medicare Part D claims for 51 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.