Dr. Walter R. Grobelny Jr., MD
- Medicare services, 2021
- 2,151
- Part D claims, 2022
- 405
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 700 Oak St, Winnetka, IL 60093-2566
- Practice phone
- Call (847) 446-1066
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Village Internal Medicine
Physician office · Winnetka, Illinois
Find Dr. Grobelny'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. Walter R. Grobelny Jr. is an internist in Evanston, Illinois
Dr. Grobelny practices at Village Internal Medicine in Winnetka, Illinois.
Dr. Grobelny's NPI, 1740275015, was assigned on September 13, 2005. Dr. Grobelny graduated from Northwestern University Feinberg Medical School in 1973. Dr. Grobelny holds Illinois license 036049787.
- NPI
- 1740275015NPI Registry (opens in a new tab)
- NPI enumeration date
- September 13, 2005
- NPI status
- Active
- Practice phone
- (847) 446-1066
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Walter R. Grobelny Jr. practices in Winnetka and Evanston
Dr. Grobelny's primary practice is Village Internal Medicine, at 700 Oak St, Winnetka, IL 60093-2566. The practice phone is (847) 446-1066. The NPI Registry lists Dr. Grobelny's practice address as 2650 Ridge Ave, Evanston, IL 60201.
- Village Internal MedicinePrimary700 Oak St, Winnetka, IL 60093-2566Phone(847) 446-1066
- NPI Registry address2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 446-1066
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Walter R. Grobelny Jr. is affiliated with 1 site of care
Dr. Grobelny's primary practice is Village Internal Medicine in Winnetka, Illinois.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Walter R. Grobelny Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grobelny practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Village Internal Medicine | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Walter R. Grobelny Jr. is one of 5,652 internists in Illinois
Internal medicine is Dr. Grobelny's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grobelny is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Grobelny
Counts of internists 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. Walter R. Grobelny Jr. billed Medicare for 2,151 services in 2021
CMS data shows 2,151 Medicare services from Dr. Grobelny across 19 procedure codes in 2021. Medicare paid $105,694 for them. Every service was in an office.
Dr. Grobelny's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1,4672021: 84343%
- Surgery
- 2020: 5242021: 39724%
- Tests and treatments
- 2020: 4492021: 36618%
- Other services
- 2020: 2392021: 2432%
- Lab and pathology
- 2020: 2532021: 18029%
- Drugs given in the office
- 2020: 1872021: 12235%
Dr. Grobelny compared with the Illinois median for internists, 2021
- Dr. Grobelny
- Illinois median
- Medicare services
- 2,151vs 5663.8 times
- Part D claims
- 405vs 28443% above
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Grobelny's most billed Medicare procedure codes, 2021
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. Grobelny and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Walter R. Grobelny Jr.'s patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Grobelny's median patient age at 80, with 50% women.
Dr. Grobelny's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Walter R. Grobelny Jr. wrote 405 Medicare Part D claims in 2022
In 2022, Dr. Grobelny wrote 405 Medicare Part D claims. They cover 22 drugs, with $48,069 in total drug cost. In 2021, CMS named 2,342 claims across 69 drugs.
Dr. Grobelny's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2,3422022: 40583%
Drugs named by CMS: 22 in 2022, 69 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Walter R. Grobelny Jr. graduated from Northwestern University Feinberg Medical School
Dr. Grobelny graduated from Northwestern University Feinberg Medical School in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Walter R. Grobelny 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Walter R. Grobelny 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. Walter R. Grobelny Jr.'s NPI number?
Dr. Walter R. Grobelny Jr.'s NPI number is 1740275015. It was assigned on September 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Walter R. Grobelny Jr.?
Dr. Walter R. Grobelny Jr. is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Walter R. Grobelny Jr. practice?
Dr. Grobelny practices at 700 Oak St, Winnetka, IL 60093-2566. Dr. Grobelny also practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Grobelny's primary practice is Village Internal Medicine in Winnetka, Illinois.
What is Dr. Walter R. Grobelny Jr.'s office phone number?
The practice phone on file for Dr. Grobelny is (847) 446-1066.
What is Dr. Walter R. Grobelny Jr.'s medical license number?
Dr. Grobelny holds Illinois license 036049787.
Does Dr. Walter R. Grobelny Jr. accept Medicare?
Yes. CMS data shows Dr. Grobelny billed Medicare for 2,151 services in 2021.
What services does Dr. Walter R. Grobelny Jr. bill to Medicare?
In 2021, Dr. Grobelny's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99215) and office visit, established patient (99211).
Where did Dr. Walter R. Grobelny Jr. go to medical school?
Dr. Grobelny graduated from Northwestern University Feinberg Medical School in 1973.
What drugs does Dr. Walter R. Grobelny Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Grobelny's most prescribed drugs by claims were Prednisone, Levothyroxine Sodium and Allopurinol.
How long has Dr. Walter R. Grobelny Jr. been practicing?
Dr. Grobelny graduated from medical school in 1973, 53 years ago.
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