Marika A. Walker, PA-C
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 716
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Industry payments
- $497
- Practice address
- 3635 Clyde Morris Boulevard, Port Orange, FL 32129
- Practice phone
- Call (386) 760-8151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center of Volusia
Surgery Center - Medicare-Certified · Port Orange, Florida
Find Marika 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.
Marika A. Walker is a physician assistant in Port Orange, Florida
Marika Walker practices at Surgery Center of Volusia in Port Orange, Florida.
Marika Walker's NPI, 1437469970, was assigned on October 18, 2010. Marika Walker holds Florida license PA9115209.
- NPI
- 1437469970NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042478547
- NPI enumeration date
- October 18, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (386) 760-8151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marika A. Walker practices at Surgery Center of Volusia in Port Orange, Florida
Marika Walker's primary practice is Surgery Center of Volusia, at 3635 Clyde Morris Boulevard, Port Orange, FL 32129. The practice phone is (386) 760-8151.
- Surgery Center of Volusia3635 Clyde Morris Boulevard, Port Orange, FL 32129Phone(386) 760-8151
Source: Dmand AI Affiliation Data
Marika A. Walker is affiliated with 3 sites of care and 1 medical group
Marika Walker's primary practice is Surgery Center of Volusia in Port Orange, Florida. Marika Walker is also affiliated with AdventHealth Daytona Beach. The medical group on file is Borland Groover. Dmand AI also links Marika Walker to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marika A. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marika Walker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center of Volusia | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Marika A. Walker is one of 1,969 physician assistants in Florida
Medical is Marika Walker's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Marika Walker is licensed in Florida.
Specialties and state licenses
- Medical physician assistant, FloridaPrimary
Physician assistants near Marika Walker
Counts of physician assistants 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
Marika A. Walker treated 289 Medicare patients in 2024, average age 74
CMS counts 289 Medicare patients who saw Marika Walker in 2024. The largest group is 65 to 74, with 144 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marika Walker's median patient age at 69, with 60% women.
Marika Walker's Medicare patients by age, 2024
Marika Walker's Medicare patients by sex, 2024
- Women16858%
- Men12142%
Chronic conditions among Marika Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease38%
- Anxiety36%
- Diabetes32%
- Chronic kidney disease31%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Marika 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 69
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marika A. Walker wrote 716 Medicare Part D claims in 2024
In 2024, Marika Walker wrote 716 Medicare Part D claims for 338 patients. 76% of them were for generic drugs.
Marika Walker's Part D claims by kind of drug, 2024
- Generic543 claims76%
- Brand-name173 claims24%
Drug classes CMS tracks in Marika Walker's Part D claims, 2024
- Antibiotics7%50 of 716 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marika A. Walker scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Marika Walker for performance year 2024, reported as part of a group. Marika Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marika Walker's MIPS scores, performance year 2024
- 79of 100Final score
- 69.7of 100Quality
- 89of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Marika A. Walker received $497 in industry payments in 2025
CMS Open Payments shows 25 general payments to Marika Walker from 12 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $124.
Companies that paid Marika Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marika A. 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Marika A. 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 Marika A. Walker's NPI number?
Marika A. Walker's NPI number is 1437469970. It was assigned on October 18, 2010, and it is active in the NPI Registry.
What does Marika A. Walker specialize in?
Marika A. Walker is a physician assistant in Port Orange, Florida. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Marika A. Walker practice?
Marika Walker practices at 3635 Clyde Morris Boulevard, Port Orange, FL 32129. Marika Walker's primary practice is Surgery Center of Volusia in Port Orange, Florida. Dmand AI also links Marika Walker to 1 group practice or clinic.
What is Marika A. Walker's office phone number?
The practice phone on file for Marika Walker is (386) 760-8151.
What is Marika A. Walker's medical license number?
Marika Walker holds Florida license PA9115209.
Which hospitals is Marika A. Walker affiliated with?
Marika Walker is affiliated with AdventHealth Daytona Beach.
What medical group is Marika A. Walker part of?
Marika Walker is linked to Borland Groover.
Does Marika A. Walker accept Medicare?
Yes. CMS lists Marika Walker as accepting Medicare assignment.
What is Marika A. Walker's MIPS score?
Marika Walker's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Marika A. Walker see?
CMS counts 289 Medicare patients who saw Marika Walker in 2024, with an average age of 74.
Has Marika A. Walker received payments from drug or device companies?
CMS Open Payments shows $497 in general payments to Marika Walker from 12 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Marika A. Walker been practicing?
Marika Walker graduated from medical school in 2010, 16 years ago.
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