Dr. John F. Walling Jr., DO
- Medicare services, 2024
- 422
- Medicare patients, 2024
- 349
- Part D claims, 2024
- 1,264
- Hospital affiliations
- 2
- Industry payments
- $3,477
- Practice address
- 1707 Lake Lansing Road, Lansing, MI 48912
- Practice phone
- Call (517) 267-0033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lansing Surgery Center
Surgery Center - Medicare-Certified · Lansing, Michigan
Find Dr. Walling'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 F. Walling Jr. is a gastroenterologist in Lansing, Michigan
Dr. Walling practices at Lansing Surgery Center in Lansing, Michigan.
Dr. Walling's NPI, 1073579512, was assigned on April 24, 2006. Dr. Walling graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986. Dr. Walling holds Michigan license 5101009749.
- NPI
- 1073579512NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012908510
- NPI enumeration date
- April 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 267-0033
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John F. Walling Jr. practices at Lansing Surgery Center in Lansing, Michigan
Dr. Walling's primary practice is Lansing Surgery Center, at 1707 Lake Lansing Road, Lansing, MI 48912. The practice phone is (517) 267-0033.
- Lansing Surgery Center1707 Lake Lansing Road, Lansing, MI 48912Phone(517) 267-0033
Source: Dmand AI Affiliation Data
Dr. John F. Walling Jr. is affiliated with 6 sites of care and 3 medical groups
Dr. Walling's primary practice is Lansing Surgery Center in Lansing, Michigan. Dr. Walling is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is Center for Digestive Health. Dmand AI also links Dr. Walling to 1 more hospital, 3 group practices and clinics and 2 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 Dr. John F. Walling Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walling practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lansing Surgery Center | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John F. Walling Jr. is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Walling's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Walling is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Gastroenterologists near Dr. Walling
Counts of gastroenterologists 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 F. Walling Jr. billed Medicare for 422 services in 2024
CMS data shows 422 Medicare services from Dr. Walling across 10 procedure codes in 2024, for 349 Medicare patients. Medicare paid $51,380 for them.
Dr. Walling's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2362024: 33040%
- Office and hospital visits
- 2023: 1862024: 7659%
- Other services
- 2023: 02024: 16
Where Dr. Walling's Medicare services took place, 2024
- In an office17241%
- In a facility25059%
Dr. Walling compared with the Michigan median for gastroenterologists, 2024
- Dr. Walling
- Michigan median
- Medicare services
- 422vs 32430% above
- Medicare patients
- 349vs 23052% above
- Part D claims
- 1,092vs 4242.6 times
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Walling'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.
Need commercial claims for Dr. Walling?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walling and other gastroenterologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John F. Walling Jr. treated 349 Medicare patients in 2024, average age 72
CMS counts 349 Medicare patients who saw Dr. Walling in 2024. The largest group is 65 to 74, with 176 patients. 72% of them have high blood pressure, and 70% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.52, 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. Walling's median patient age at 65, with 50% women.
Dr. Walling's Medicare patients by age, 2024
Dr. Walling's Medicare patients by sex, 2024
- Women18854%
- Men16146%
Chronic conditions among Dr. Walling's Medicare patients, 2024
- High blood pressure72%
- High cholesterol70%
- Arthritis53%
- Anxiety31%
- Chronic kidney disease31%
- Mood disorders31%
- Diabetes30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walling's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John F. Walling Jr. wrote 1,264 Medicare Part D claims in 2024
In 2024, Dr. Walling wrote 1,264 Medicare Part D claims for 719 patients. 69% of them were for generic drugs. CMS names the drug for 1,092 of them, across 18 drugs with 11 or more claims each, at $1,213,733 in total drug cost. In 2023, CMS named 944 claims across 15 drugs.
Dr. Walling's Part D claims by kind of drug, 2024
- Generic867 claims69%
- Brand-name397 claims31%
Dr. Walling's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9442024: 1,09216%
Drugs named by CMS: 18 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John F. Walling Jr. ranks in the 54th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Walling accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Walling, more than 54% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Walling ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 54th percentile26 procedures
- Colonoscopy
- 47th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John F. Walling Jr. received $3,477 in industry payments from 2016 to 2025
CMS Open Payments shows 200 general payments to Dr. Walling from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,138.
General payments to Dr. Walling by program year, 2016 to 2025
Companies that paid Dr. Walling the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John F. Walling Jr. graduated from R Franklin University of Med & Sci/Chicago Medical School
Dr. Walling graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John F. Walling Jr.'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 and Drug (CMS) (opens in a new tab)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)Doctors and Clinicians Utilization Data (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 F. Walling Jr.
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 F. Walling Jr.'s NPI number?
Dr. John F. Walling Jr.'s NPI number is 1073579512. It was assigned on April 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John F. Walling Jr.?
Dr. John F. Walling Jr. is a gastroenterologist in Lansing, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John F. Walling Jr. practice?
Dr. Walling practices at 1707 Lake Lansing Road, Lansing, MI 48912. Dr. Walling's primary practice is Lansing Surgery Center in Lansing, Michigan. Dmand AI also links Dr. Walling to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. John F. Walling Jr.'s office phone number?
The practice phone on file for Dr. Walling is (517) 267-0033.
What is Dr. John F. Walling Jr.'s medical license number?
Dr. Walling holds Michigan license 5101009749.
Which hospitals is Dr. John F. Walling Jr. affiliated with?
Dr. Walling is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Walling to 1 more hospital.
What medical group is Dr. John F. Walling Jr. part of?
Dr. Walling is linked to Center for Digestive Health. Dmand AI links Dr. Walling to 2 more medical groups.
Does Dr. John F. Walling Jr. accept Medicare?
Yes. CMS data shows Dr. Walling billed Medicare for 422 services in 2024, and Dr. Walling accepts Medicare assignment.
How many Medicare patients does Dr. John F. Walling Jr. see?
CMS counts 349 Medicare patients who saw Dr. Walling in 2024, with an average age of 72.
What services does Dr. John F. Walling Jr. bill to Medicare?
In 2024, Dr. Walling's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and surgery: digestive system (43248).
Show 4 more questionsShow fewer questions
Where did Dr. John F. Walling Jr. go to medical school?
Dr. Walling graduated from R Franklin University of Med & Sci/Chicago Medical School in 1986.
What drugs does Dr. John F. Walling Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Walling's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Peg-3350 And Electrolytes.
Has Dr. John F. Walling Jr. received payments from drug or device companies?
CMS Open Payments shows $3,477 in general payments to Dr. Walling from 28 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John F. Walling Jr. been practicing?
Dr. Walling graduated from medical school in 1986, 40 years ago.
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