Mary Walter, PA-C
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 64
- Hospital affiliations
- 1
- Industry payments
- $22
- Medical groups
- 3
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Mary Walter'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.
Mary Walter is a physician assistant in Grand Rapids, Michigan
Mary Walter practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Mary Walter's NPI, 1740688209, was assigned on December 16, 2014. Mary Walter holds Michigan license 5601007281.
- NPI
- 1740688209NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052635976
- NPI enumeration date
- December 16, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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)
Mary Walter practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Mary Walter's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Mary Walter is affiliated with 1 site of care and 3 medical groups
Mary Walter's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Mary Walter to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Walter practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +2 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 Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Mary Walter is one of 5,857 physician assistants in Michigan
Physician assistant is Mary Walter's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mary Walter is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Mary Walter
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
Mary Walter treated 56 Medicare patients in 2024, average age 72
CMS counts 56 Medicare patients who saw Mary Walter in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Walter's median patient age at 66, with 53% women.
Mary Walter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Walter's Medicare patients by sex, 2024
- Women2850%
- Men2850%
Chronic conditions among Mary Walter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Anxiety52%
- Arthritis52%
- Diabetes52%
- Atrial fibrillation50%
- Mood disorders50%
Share of Medicare patients with each condition. A patient can have several.
Mary Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Walter wrote 64 Medicare Part D claims in 2024
In 2024, Mary Walter wrote 64 Medicare Part D claims for 19 patients. 81% of them were for generic drugs.
Mary Walter's Part D claims by kind of drug, 2024
- Generic52 claims81%
- Brand-name12 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mary Walter takes part in Medicare
Mary Walter 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mary Walter received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mary Walter from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $22.
Companies that paid Mary Walter 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 Mary Walter'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) |
| 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 Mary Walter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Walter's NPI number?
Mary Walter's NPI number is 1740688209. It was assigned on December 16, 2014, and it is active in the NPI Registry.
What does Mary Walter specialize in?
Mary Walter is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Mary Walter practice?
Mary Walter practices at 100 Michigan St NE, Grand Rapids, MI 49503. Mary Walter's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Mary Walter to 2 medical groups.
What is Mary Walter's office phone number?
The practice phone on file for Mary Walter is (616) 391-1774.
What is Mary Walter's medical license number?
Mary Walter holds Michigan license 5601007281.
Which hospitals is Mary Walter affiliated with?
Mary Walter practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Mary Walter part of?
Mary Walter is linked to Corewell Health Medical Group West. Dmand AI links Mary Walter to 2 more medical groups.
Does Mary Walter accept Medicare?
Yes. CMS lists Mary Walter as accepting Medicare assignment.
How many Medicare patients does Mary Walter see?
CMS counts 56 Medicare patients who saw Mary Walter in 2024, with an average age of 72.
Has Mary Walter received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Mary Walter from 1 company from 2025 to 2025. The largest total came from UCB, Inc.
How long has Mary Walter been practicing?
Mary Walter graduated from medical school in 2014, 12 years ago.
Selling to physician assistant practices?
See physician assistants in Michigan by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card