Dr. Patrick Franklin Walker, MD
- Medicare services, 2024
- 62
- Medicare patients, 2026
- 62
- Part D claims, 2026
- 20
- Hospital affiliations
- 2
- Industry payments
- $1,918
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Patrick Franklin Walker is a general surgeon in Baltimore, Maryland
Dr. Walker practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Walker's NPI, 1124448162, was assigned on April 17, 2014. Dr. Walker graduated from Emory University School of Medicine in 2014. Dr. Walker holds Maryland license D91256.
- NPI
- 1124448162NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941591945
- NPI enumeration date
- April 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Patrick Franklin Walker practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Walker's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Patrick Franklin Walker is affiliated with 6 sites of care and 6 medical groups
Dr. Walker's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Walker is also affiliated with Meritus Medical Center. The medical group on file is R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI also links Dr. Walker to 5 more medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Patrick Franklin Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +5 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Maryland Medical System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Patrick Franklin Walker is one of 532 general surgeons in Maryland
Surgery is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Walker is board certified in surgical critical care by the American Board of Emergency Medicine. Dmand AI has Dr. Walker's licenses on file in 2 states: Maryland and Virginia.
Specialties and state licenses
- Surgery, MarylandPrimary
- Trauma surgery, Virginia
General surgeons near Dr. Walker
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Patrick Franklin Walker billed Medicare for 62 services in 2024
CMS data shows 62 Medicare services from Dr. Walker across 2 procedure codes in 2024, for 62 Medicare patients. Medicare paid $4,635 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 392024: 6259%
Dr. Walker compared with the Maryland median for general surgeons, 2024
- Dr. Walker
- Maryland median
- Medicare services
- 62vs 23073% below
- Medicare patients
- 62vs 16262% below
Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other general surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Patrick Franklin Walker treated 62 Medicare patients in 2026, average age 72
CMS counts 62 Medicare patients who saw Dr. Walker in 2026. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 57, with 35% women.
Dr. Walker's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2026
- Women3150%
- Men3150%
Chronic conditions among Dr. Walker's Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease56%
- Mood disorders47%
- Depression45%
- COPD44%
- Anxiety42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Patrick Franklin Walker wrote 20 Medicare Part D claims in 2026
In 2026, Dr. Walker wrote 20 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Dr. Patrick Franklin Walker takes part in Medicare
Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Patrick Franklin Walker received $1,918 in industry payments from 2017 to 2025
CMS Open Payments shows 10 general payments to Dr. Walker from 7 drug and device companies from 2017 to 2025. Education make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $1,029.
General payments to Dr. Walker by program year, 2017 to 2025
General payments to Dr. Walker by kind, 2017 to 2025
- Education$1,00052%
- Travel and lodging$60431%
- Food and beverage$31416%
Companies that paid Dr. Walker the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Patrick Franklin Walker graduated from Emory University School of Medicine
Dr. Walker graduated from Emory University School of Medicine in 2014.
- Medical school
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Sources for Dr. Patrick Franklin Walker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Patrick Franklin Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Patrick Franklin Walker's NPI number?
Dr. Patrick Franklin Walker's NPI number is 1124448162. It was assigned on April 17, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Patrick Franklin Walker?
Dr. Patrick Franklin Walker is a general surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Patrick Franklin Walker practice?
Dr. Walker practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Walker's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Walker to 5 medical groups and 4 group practices and clinics, and a free account names each one.
What is Dr. Patrick Franklin Walker's office phone number?
The practice phone on file for Dr. Walker is (410) 328-8667. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Patrick Franklin Walker's email address?
Dmand AI checks professional and personal email addresses for Dr. Walker through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Patrick Franklin Walker's medical license number?
Dr. Walker holds Maryland license D91256, one of the licenses on file in 2 states.
Which states has Dr. Patrick Franklin Walker been licensed in?
Dmand AI has state licenses on file for Dr. Walker in Maryland and Virginia.
Which hospitals is Dr. Patrick Franklin Walker affiliated with?
Dr. Walker practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Walker is also affiliated with Meritus Medical Center.
What medical group is Dr. Patrick Franklin Walker part of?
Dr. Walker is linked to R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI links Dr. Walker to 5 more medical groups, named with a free account.
Who does Dr. Patrick Franklin Walker practice with?
Dmand AI links 212 HCPs to Dr. Walker's primary medical group, 16 of them general surgeons. A free account lists them, with verified contacts.
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Does Dr. Patrick Franklin Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 62 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. Patrick Franklin Walker see?
CMS counts 62 Medicare patients who saw Dr. Walker in 2026, with an average age of 72.
Is Dr. Patrick Franklin Walker board certified?
Yes. Dr. Walker is board certified in surgical critical care by the American Board of Emergency Medicine.
What services does Dr. Patrick Franklin Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Patrick Franklin Walker go to medical school?
Dr. Walker graduated from Emory University School of Medicine in 2014.
Has Dr. Patrick Franklin Walker received payments from drug or device companies?
CMS Open Payments shows $1,918 in general payments to Dr. Walker from 7 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Patrick Franklin Walker been practicing?
Dr. Walker graduated from medical school in 2014, 12 years ago.
What EHR does Dr. Patrick Franklin Walker's practice use?
Dmand AI tracks the EHR system at University of Maryland Medical Center and at 5 more sites and 5 medical groups. The vendor and product are available with a free Dmand AI account.
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