Dr. Cassandra Oberndorf, DO
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2021
- 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 Dr. Oberndorf'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. Cassandra Oberndorf is a pediatrician in Grand Rapids, Michigan
Dr. Oberndorf practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Oberndorf's NPI, 1396324661, was assigned on April 5, 2021. Dr. Oberndorf holds Michigan license 5151015005.
- NPI
- 1396324661NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315348182
- NPI enumeration date
- April 5, 2021
- 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
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cassandra Oberndorf practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Oberndorf'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
Dr. Cassandra Oberndorf is affiliated with 1 site of care and 2 medical groups
Dr. Oberndorf'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 Dr. Oberndorf to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cassandra Oberndorf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oberndorf 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 |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Cassandra Oberndorf is one of 1,807 pediatricians in Michigan
Pediatrics is Dr. Oberndorf's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Oberndorf is licensed in Michigan.
Specialties and state licenses
- Pediatrics, MichiganPrimary
Pediatricians near Dr. Oberndorf
Counts of pediatricians 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. Cassandra Oberndorf's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Oberndorf's median patient age at 7, with 45% women.
Dr. Oberndorf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
How Dr. Cassandra Oberndorf takes part in Medicare
Dr. Oberndorf 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)
Sources for Dr. Cassandra Oberndorf'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) |
| 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. Cassandra Oberndorf
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. Cassandra Oberndorf's NPI number?
Dr. Cassandra Oberndorf's NPI number is 1396324661. It was assigned on April 5, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Cassandra Oberndorf?
Dr. Cassandra Oberndorf is a pediatrician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Cassandra Oberndorf practice?
Dr. Oberndorf practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Oberndorf's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Oberndorf to 1 medical group.
What is Dr. Cassandra Oberndorf's office phone number?
The practice phone on file for Dr. Oberndorf is (616) 391-1774.
What is Dr. Cassandra Oberndorf's medical license number?
Dr. Oberndorf holds Michigan license 5151015005.
Which hospitals is Dr. Cassandra Oberndorf affiliated with?
Dr. Oberndorf practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Dr. Cassandra Oberndorf part of?
Dr. Oberndorf is linked to Corewell Health Medical Group West. Dmand AI links Dr. Oberndorf to 1 more medical group.
Does Dr. Cassandra Oberndorf accept Medicare?
Yes. CMS lists Dr. Oberndorf as accepting Medicare assignment.
How long has Dr. Cassandra Oberndorf been practicing?
Dr. Oberndorf graduated from medical school in 2021, 5 years ago.
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