Stephanie Phalip, M.D.
Internal Medicine Physician · Walnut Creek, CA
Stephanie Phalip, M.D. is an internal medicine physician with a practice address in Walnut Creek, California, and NPI 1497998595, issued on Apr 20, 2009. Check the license (California A121453, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Phalip
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A121453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2337 Oak Grove RD, Walnut Creek, CA 94598
- Phone
- (925) 230-2386
- Enumerated
- Apr 20, 2009
- Record last updated
- Mar 14, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20140425000218); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2337 Oak Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shagun Bindlish, MDInternal Medicine Physician1487885067
- Carolyn Cardamone, P.A-CPhysician Assistant1639194616
- Megan Dodson, PA-CPhysician Assistant1750720850
- Madelyn GarciaFamily Medicine Physician1003558735
- Theron Goudeau, F.N.P.Nurse Practitioner1275928756
- Shikha Goyal, PA-CPhysician Assistant1255003489
Verify Stephanie Phalip in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121453Check 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
135 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of 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 one group practice
- One Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Phalip among 17,696 internal medicine physician records in California
Stephanie Phalip, 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 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 fileYes · 63% of these records are
- Graduated2009 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
183 internal medicine physician records list a practice address in Walnut Creek
They are 183 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Walnut Creek → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Bernens, MDWalnut Creek, CA 945981215983440
- Martin Braker, M.D.Walnut Creek, CA 945981922050095
- Mei Chow-Kwan, MDWalnut Creek, CA 945981689619330
- Lisa Craig, MDWalnut Creek, CA 945981699853754
- Jaya Francis, MDWalnut Creek, CA 945981962580548
- Tarannum Guller, MDWalnut Creek, CA 945981972532083
- Noushin Haddad-Tehrani, MDWalnut Creek, CA 945981215988878
- Waheeda Hiller, MDWalnut Creek, CA 945981689642233
Common questions
What is Stephanie Phalip, M.D.'s NPI number?
Stephanie Phalip, M.D.'s National Provider Identifier (NPI) is 1497998595, issued on Apr 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Phalip, M.D. located?
The NPPES record lists a practice address at 2337 Oak Grove RD, Walnut Creek, CA, 94598. Phone: (925) 230-2386. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Phalip, M.D.'s license?
NPPES lists California license number A121453, 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 Stephanie Phalip, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Phalip, M.D. had 135 Medicare Part D claims for 34 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.