Grant Charles O'Brien, DC
- Medicare patients, 2024
- 18
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 1370 S Commercial St, Neenah, WI 54956
- Practice phone
- Call (920) 720-6300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Align Chiropractic
Neenah, Wisconsin
Find Grant O'Brien'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.
Grant Charles O'Brien is a chiropractor in Neenah, Wisconsin
Grant O'Brien practices at Align Chiropractic in Neenah, Wisconsin.
Grant O'Brien's NPI, 1851628283, was assigned on November 5, 2009. Grant O'Brien holds Wisconsin license 4582-12.
- NPI
- 1851628283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173657285
- NPI enumeration date
- November 5, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 720-6300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Grant Charles O'Brien practices at Align Chiropractic in Neenah, Wisconsin
Grant O'Brien's primary practice is Align Chiropractic, at 1370 S Commercial St, Neenah, WI 54956 in Winnebago County. The practice phone is (920) 720-6300.
- Align Chiropractic1370 S Commercial St, Neenah, WI 54956 · Winnebago CountyPhone(920) 720-6300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Grant Charles O'Brien is affiliated with 2 sites of care and 1 medical group
Grant O'Brien's primary practice is Align Chiropractic in Neenah, Wisconsin. Dmand AI also links Grant O'Brien to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Grant Charles O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grant O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Align Chiropractic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Grant Charles O'Brien is one of 1,792 chiropractors in Wisconsin
Chiropractor is Grant O'Brien's primary specialty in the NPI Registry, under taxonomy code 111N00000X. Grant O'Brien is licensed in Wisconsin.
Specialties and state licenses
- Chiropractor, WisconsinPrimary
Chiropractors near Grant O'Brien
Counts of chiropractors 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
Grant Charles O'Brien treated 18 Medicare patients in 2024, average age 68
CMS counts 18 Medicare patients who saw Grant O'Brien in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Grant O'Brien's median patient age at 44, with 42% women.
Chronic conditions among Grant O'Brien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Grant O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Grant Charles O'Brien takes part in Medicare
Grant O'Brien 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 Grant Charles O'Brien'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 Grant Charles O'Brien
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grant Charles O'Brien's NPI number?
Grant Charles O'Brien's NPI number is 1851628283. It was assigned on November 5, 2009, and it is active in the NPI Registry.
What does Grant Charles O'Brien specialize in?
Grant Charles O'Brien is a chiropractor in Neenah, Wisconsin. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does Grant Charles O'Brien practice?
Grant O'Brien practices at 1370 S Commercial St, Neenah, WI 54956. Grant O'Brien's primary practice is Align Chiropractic in Neenah, Wisconsin. Dmand AI also links Grant O'Brien to 1 group practice or clinic and 1 medical group.
What is Grant Charles O'Brien's office phone number?
The practice phone on file for Grant O'Brien is (920) 720-6300.
What is Grant Charles O'Brien's medical license number?
Grant O'Brien holds Wisconsin license 4582-12.
Does Grant Charles O'Brien accept Medicare?
Yes. CMS lists Grant O'Brien as accepting Medicare assignment.
How many Medicare patients does Grant Charles O'Brien see?
CMS counts 18 Medicare patients who saw Grant O'Brien in 2024, with an average age of 68.
How long has Grant Charles O'Brien been practicing?
Grant O'Brien graduated from medical school in 2009, 17 years ago.
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