Joan M. Tobar, NP
- Part D claims, 2024
- 1,340
- Hospital affiliations
- 5
- Industry payments
- $146
- Medical group
- 1
- State license
- 1
- 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 Joan Tobar'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.
Joan M. Tobar is a nurse practitioner in Grand Rapids, Michigan
Joan Tobar practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Joan Tobar's NPI, 1366057671, was assigned on September 14, 2020. Joan Tobar holds Michigan license 4704163580.
- NPI
- 1366057671NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850710757
- NPI enumeration date
- September 14, 2020
- 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
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joan M. Tobar practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Joan Tobar'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
Joan M. Tobar is affiliated with 6 sites of care and 1 medical group
Joan Tobar's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Joan Tobar is also affiliated with Trinity Health Grand Rapids Hospital. The medical group on file is Renal Associates of West Michigan, P.C. Dmand AI also links Joan Tobar to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joan M. Tobar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joan Tobar practices, 6 sites in all. 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 |
| +5 more affiliated sites | 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.
Joan M. Tobar is one of 2,742 nurse practitioners in Michigan
Nurse practitioner is Joan Tobar's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Joan Tobar is licensed in Michigan.
Specialties and state licenses
- Nurse practitioner, MichiganPrimary
Nurse practitioners near Joan Tobar
Counts of nurse practitioners 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
Joan M. Tobar's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Joan Tobar's median patient age at 76, with 52% women.
Joan Tobar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Joan M. Tobar wrote 1,340 Medicare Part D claims in 2024
In 2024, Joan Tobar wrote 1,340 Medicare Part D claims for 416 patients. 88% of them were for generic drugs.
Joan Tobar's Part D claims by kind of drug, 2024
- Generic1,174 claims88%
- Brand-name166 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Joan M. Tobar takes part in Medicare
Joan Tobar 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.
Joan M. Tobar received $146 in industry payments in 2025
CMS Open Payments shows 6 general payments to Joan Tobar from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Calliditas Therapeutics US Inc. paid the most, $64.
Companies that paid Joan Tobar 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 Joan M. Tobar'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 |
| 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 Joan M. Tobar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joan M. Tobar's NPI number?
Joan M. Tobar's NPI number is 1366057671. It was assigned on September 14, 2020, and it is active in the NPI Registry.
What does Joan M. Tobar specialize in?
Joan M. Tobar is a nurse practitioner in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Joan M. Tobar practice?
Joan Tobar practices at 100 Michigan St NE, Grand Rapids, MI 49503. Joan Tobar's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Joan Tobar to 3 hospitals and 1 group practice or clinic.
What is Joan M. Tobar's office phone number?
The practice phone on file for Joan Tobar is (616) 391-1774.
What is Joan M. Tobar's medical license number?
Joan Tobar holds Michigan license 4704163580.
Which hospitals is Joan M. Tobar affiliated with?
Joan Tobar practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Joan Tobar is also affiliated with Trinity Health Grand Rapids Hospital. Dmand AI links Joan Tobar to 3 more hospitals.
What medical group is Joan M. Tobar part of?
Joan Tobar is linked to Renal Associates of West Michigan, P.C.
Does Joan M. Tobar accept Medicare?
Yes. CMS lists Joan Tobar as accepting Medicare assignment.
Has Joan M. Tobar received payments from drug or device companies?
CMS Open Payments shows $146 in general payments to Joan Tobar from 5 companies from 2025 to 2025. The largest total came from Calliditas Therapeutics US Inc.
How long has Joan M. Tobar been practicing?
Joan Tobar graduated from medical school in 2020, 6 years ago.
Selling to nurse practitioner practices?
See nurse practitioners 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