DR. PATRICK FRANKLIN WALKER M.D.
NPI 1124448162
Surgery in Bethesda, MD

Active since April 17, 2014PECOS EnrolledAccepts Medicare Assignment
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4440 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 9, 2025, Oct 14, 2021, Nov 4, 2020 (3 updates tracked since 2020).

About Dr. Patrick Franklin Walker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PATRICK FRANKLIN WALKER M.D. (NPI 1124448162) is an individual surgery provider in Bethesda, Maryland, licensed in Maryland (D91256) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Meritus Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124448162
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. PATRICK FRANKLIN WALKERCredential: M.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 2014
Enumeration DateApril 17, 2014
Last NPPES UpdateSeptember 9, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
NPI 1124448162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in MD · D91256
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 1124448162 (VA)
8901 ROCKVILLE PIKE, Bethesda, MD 20889

Secondary Practice Locations 2

Location 1901 Harry S Truman Dr NUpper Marlboro, MD 20774-5477 · Phone (240) 677-3000
Location 222 S Greene StBaltimore, MD 21201-1544 · Phone (410) 328-6110

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Patrick Franklin Walker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941591945
PECOS Enrollment IDI20210726001523, I20221006003348
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
43 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Meritus Medical Center

Acute Care Hospitals · Hagerstown, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210001
Location11116 Medical Campus RoadHagerstown, MD 21742 · Washington County
Emergency services Birthing friendly

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210002
Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Walker's NPI number?

The NPI number for Patrick Walker is 1124448162. It was assigned to this individual provider in the NPPES registry on April 17, 2014.

Where is Patrick Walker located?

Patrick Walker practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4440.

What is Patrick Walker's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Patrick Walker enrolled in Medicare?

Yes. Patrick Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Patrick Walker affiliated with any hospitals?

According to CMS data, Patrick Walker is affiliated with Meritus Medical Center and University Of Maryland Medical Center.

When was this NPI record last updated?

The NPPES record for Patrick Walker was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.