Ellyn M. Phan, M.D.
Internal Medicine Physician · Lakewood, CA
Ellyn M. Phan, M.D. is an internal medicine physician with a practice address in Lakewood, California, and NPI 1972035350, issued on Apr 3, 2017. Check the license (California A169745, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ellyn M. Phan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A169745 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4447 Candlewood St, Lakewood, CA 90712
- Phone
- (657) 241-9935
- Enumerated
- Apr 3, 2017
- Record last updated
- Jun 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20201120002543); accepts Medicare assignment
- 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 4447 Candlewood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ellyn M. Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average internal medicine physician in 2024
693 Medicare Part D claims for 217 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate44 claims
- Atorvastatin Calcium37 claims
- Rosuvastatin Calcium32 claims
- Losartan Potassium28 claims
- Levothyroxine Sodium25 claims
- Metformin Hcl25 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: $287.86
4 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. 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
- Memorialcare Medical FoundationLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ellyn M. Phan among 17,696 internal medicine physician records in California
Ellyn M. Phan, M.D. 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 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).
23 internal medicine physician records list a practice address in Lakewood
They are 23 of the 1,204 NPPES records with a practice address in Lakewood, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Lakewood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Prasad Chode, MDLakewood, CA 907121194720847
- Michael Freund, M.D.Lakewood, CA 907121447244157
- Cherie Garcia, MDLakewood, CA 907121497786396
- Olga Ginzburg, MDLakewood, CA 907121891723482
- Scott Gordon, MDLakewood, CA 907121033140801
- Daisy Guevara, MDLakewood, CA 907121396740932
- Aaron Kern, MDLakewood, CA 907121891726725
- Jesse Licuanan, M.D.Lakewood, CA 907121396795514
Common questions
What is Ellyn M. Phan, M.D.'s NPI number?
Ellyn M. Phan, M.D.'s National Provider Identifier (NPI) is 1972035350, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ellyn M. Phan, M.D. located?
The NPPES record lists a practice address at 4447 Candlewood St, Lakewood, CA, 90712. Phone: (657) 241-9935. Providers update this record themselves, so call before visiting.
How can I verify Ellyn M. Phan, M.D.'s license?
NPPES lists California license number A169745, 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 Ellyn M. Phan, M.D. prescribe under Medicare Part D?
In 2024, Ellyn M. Phan, M.D. had 693 Medicare Part D claims for 217 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.