Lorena Walker, MD
Emergency Medicine Physician · Philadelphia, PA
Lorena Walker, MD is an emergency medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1508595455, issued on Jun 7, 2022. Check the license (Pennsylvania MD486838, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lorena Walker
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD486838 PA
Self-reported in NPPES; status is on the state search - Practice location
- 8835 Germantown Ave, Philadelphia, PA 19118
- Phone
- (215) 248-8903
- Enumerated
- Jun 7, 2022
- Record last updated
- Jan 22, 2026
- Fax
- (267) 385-3783
- Medicare enrollment
- Enrolled (PECOS I20250616000924); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 8835 Germantown Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eliza AdamFamily Medicine Physician1861337073
- Salma Bakri, DPMFoot & Ankle Surgery Podiatrist1255018024
- Samer Basha, M.D.Emergency Medicine Physician1548327802
- Stephen Beltle, PA-CPhysician Assistant1619911823
- Mulki Bhat, M.D.Anesthesiology Physician1487657656
- Brandon Bosque, D.P.M.Foot & Ankle Surgery Podiatrist1679913040
Verify Lorena Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD486838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
56 Medicare Part D claims for 41 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% 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
- Temple Faculty Practice Plan IncPhila, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lorena Walker among 3,911 emergency medicine physician records in Pennsylvania
Lorena Walker, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2013 among the 2,231 with a school on file
- Record last updated2026 · 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 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,006 emergency medicine physician records list a practice address in Philadelphia
They are 1,006 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Philadelphia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Samer Basha, M.D.Philadelphia, PA 191181548327802
- Camelia Hairane, DOPhiladelphia, PA 191181386212314
- Hayat Khan, MDPhiladelphia, PA 191181427610229
- Julien Menko, MDPhiladelphia, PA 191181265936660
- Joseph Naji, MDPhiladelphia, PA 191181699416982
- Louis Reinholz, DOPhiladelphia, PA 191181295796514
- Carlos Rodriguez, MDPhiladelphia, PA 191181710318761
- Alec RudensteinPhiladelphia, PA 191181568105666
Common questions
What is Lorena Walker, MD's NPI number?
Lorena Walker, MD's National Provider Identifier (NPI) is 1508595455, issued on Jun 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Lorena Walker, MD located?
The NPPES record lists a practice address at 8835 Germantown Ave, Philadelphia, PA, 19118. Phone: (215) 248-8903. Providers update this record themselves, so call before visiting.
How can I verify Lorena Walker, MD's license?
NPPES lists Pennsylvania license number MD486838, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lorena Walker, MD prescribe under Medicare Part D?
In 2024, Lorena Walker, MD had 56 Medicare Part D claims for 41 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.