Dr. John Rishel Walker, DO
- Hospital affiliations
- 1
- Industry payments
- $120
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 Callen Blvd., Summerville, SC 29486
- Practice phone
- Call (854) 529-3002
- 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. John Rishel Walker is a neonatologist in Summerville, South Carolina
Dr. Walker practices at Roper St. Francis Berkeley Hospital in Summerville, South Carolina, part of Bon Secours Mercy Health.
Dr. Walker's NPI, 1629031661, was assigned on April 10, 2006. Dr. Walker graduated from West Virginia School of Osteopathic Medicine in 1985. Dr. Walker holds Kentucky license 02242.
- NPI
- 1629031661NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133200231
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (854) 529-3002
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Rishel Walker practices at Roper St. Francis Berkeley Hospital in Summerville, South Carolina
Dr. Walker's primary practice is Roper St. Francis Berkeley Hospital, at 100 Callen Blvd., Summerville, SC 29486 in Dorchester County. The practice phone is (854) 529-3002.
- Roper St. Francis Berkeley Hospital100 Callen Blvd., Summerville, SC 29486 · Dorchester CountyPhone(854) 529-3002
Source: Dmand AI Affiliation Data
Dr. John Rishel Walker is affiliated with 2 sites of care and 1 medical group
Dr. Walker's primary practice is Roper St. Francis Berkeley Hospital in Summerville, South Carolina, part of Bon Secours Mercy Health. The medical group on file is Roper St. Francis Physician Partners Bariatric Surgery. Dmand AI also links Dr. Walker to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Rishel Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roper St. Francis Berkeley Hospital | Available with a free account |
| +1 more affiliated site | 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 Bon Secours Mercy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Rishel Walker is one of 64 neonatologists in South Carolina
Neonatal-perinatal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Walker is licensed in Kentucky.
Specialties and state licenses
- Neonatal-perinatal medicine, KentuckyPrimary
Neonatologists near Dr. Walker
Counts of neonatologists 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. John Rishel Walker's patients have a median age of 28
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 28, with 55% women.
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 28
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
How Dr. John Rishel 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)
Dr. John Rishel Walker received $120 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Walker from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Vapotherm Inc paid the most, $120.
Companies that paid Dr. Walker the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Rishel Walker graduated from West Virginia School of Osteopathic Medicine
Dr. Walker graduated from West Virginia School of Osteopathic Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Rishel 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 Data |
| 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. John Rishel 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. John Rishel Walker's NPI number?
Dr. John Rishel Walker's NPI number is 1629031661. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Rishel Walker?
Dr. John Rishel Walker is a neonatologist in Summerville, South Carolina. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. John Rishel Walker practice?
Dr. Walker practices at 100 Callen Blvd., Summerville, SC 29486. Dr. Walker's primary practice is Roper St. Francis Berkeley Hospital in Summerville, South Carolina, part of Bon Secours Mercy Health. Dmand AI also links Dr. Walker to 1 clinical lab.
What is Dr. John Rishel Walker's office phone number?
The practice phone on file for Dr. Walker is (854) 529-3002.
What is Dr. John Rishel Walker's medical license number?
Dr. Walker holds Kentucky license 02242.
Which hospitals is Dr. John Rishel Walker affiliated with?
Dr. Walker practices at Roper St. Francis Berkeley Hospital in Summerville, South Carolina.
What medical group is Dr. John Rishel Walker part of?
Dr. Walker is linked to Roper St. Francis Physician Partners Bariatric Surgery.
Does Dr. John Rishel Walker accept Medicare?
Yes. CMS lists Dr. Walker as accepting Medicare assignment.
Where did Dr. John Rishel Walker go to medical school?
Dr. Walker graduated from West Virginia School of Osteopathic Medicine in 1985.
Has Dr. John Rishel Walker received payments from drug or device companies?
CMS Open Payments shows $120 in general payments to Dr. Walker from 1 company from 2018 to 2018. The largest total came from Vapotherm Inc.
How long has Dr. John Rishel Walker been practicing?
Dr. Walker graduated from medical school in 1985, 41 years ago.
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