Gregory S. Brown, PA-C

  • Bad Axe, MI
  • Physician assistant
NPI1356460182PAC ID1557599750
Medicare patients, 2024
123
Part D claims, 2024
45
Hospital affiliations
7
Industry payments
$15
Medical groups
8
Practice address
1100 S Van Dyke Rd, Bad Axe, MI 48413
Practice phone
Call (989) 269-9521
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

McLaren Thumb Region

Hospital · Bad Axe, Michigan

See all 15 affiliations

Find Gregory Brown'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.

View contacts for free

Gregory S. Brown is a physician assistant in Bad Axe, Michigan

Gregory Brown practices at McLaren Thumb Region in Bad Axe, Michigan, part of McLaren Health Care.

Gregory Brown's NPI, 1356460182, was assigned on March 29, 2007. Gregory Brown holds Michigan license 5601004964.

NPI and contact details
Medicare PAC ID
1557599750
NPI enumeration date
March 29, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(989) 269-9521
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Gregory S. Brown practices at McLaren Thumb Region in Bad Axe, Michigan

Gregory Brown's primary practice is McLaren Thumb Region, at 1100 S Van Dyke Rd, Bad Axe, MI 48413 in Huron County. The practice phone is (989) 269-9521.

Source: Dmand AI Affiliation Data

Gregory S. Brown is affiliated with 7 sites of care and 8 medical groups

Gregory Brown's primary practice is McLaren Thumb Region in Bad Axe, Michigan, part of McLaren Health Care. Gregory Brown is also affiliated with Henry Ford West Bloomfield Hospital. The medical group on file is McLaren Medical Group. Dmand AI also links Gregory Brown to 5 more hospitals and 7 medical groups, each named with a free account.

See all 15 affiliations for Gregory Brown

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Gregory S. Brown's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Brown practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
McLaren Thumb RegionAvailable with a free account
+6 more sites and 7 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Gregory Brown practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.

Gregory S. Brown is one of 5,857 physician assistants in Michigan

Physician assistant is Gregory Brown's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Brown is licensed in Michigan.

Specialties and state licenses

  • Physician assistant, MichiganPrimaryLicense 5601004964 · taxonomy 363A00000X

Physician assistants near Gregory Brown

Counts of physician assistants 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

Gregory S. Brown treated 123 Medicare patients in 2024, average age 78

CMS counts 123 Medicare patients who saw Gregory Brown in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Gregory Brown's median patient age at 72, with 28% women.

Medicare patients, 2024123
Average age78
Average risk score2.33
Also on Medicaid33%

Gregory Brown's Medicare patients by age, 2024

Gregory Brown's Medicare patients by sex, 2024

  • Women5746%
  • Men6654%

Chronic conditions among Gregory Brown's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Chronic kidney disease58%
  5. Heart failure56%
  6. Ischemic heart disease54%
  7. Diabetes49%
  8. Atrial fibrillation41%

Share of Medicare patients with each condition. A patient can have several.

Gregory Brown's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women28%
  • Men72%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Gregory S. Brown wrote 45 Medicare Part D claims in 2024

In 2024, Gregory Brown wrote 45 Medicare Part D claims for 17 patients. 91% of them were for generic drugs.

Part D claims, 202445
Part D patients17

Gregory Brown's Part D claims by kind of drug, 2024

  • Generic41 claims91%
  • Brand-name and other4 claims9%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Gregory S. Brown takes part in Medicare

Gregory Brown 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

Find physician assistants like Gregory Brown by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Gregory S. Brown received $15 in industry payments in 2025

CMS Open Payments shows 1 general payment to Gregory Brown from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $15.

Companies that paid Gregory Brown the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Gregory Brown

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Gregory S. Brown's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Gregory S. Brown

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Gregory S. Brown's NPI number?

Gregory S. Brown's NPI number is 1356460182. It was assigned on March 29, 2007, and it is active in the NPI Registry.

What does Gregory S. Brown specialize in?

Gregory S. Brown is a physician assistant in Bad Axe, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Gregory S. Brown practice?

Gregory Brown practices at 1100 S Van Dyke Rd, Bad Axe, MI 48413. Gregory Brown's primary practice is McLaren Thumb Region in Bad Axe, Michigan, part of McLaren Health Care. Dmand AI also links Gregory Brown to 5 hospitals and 7 medical groups.

What is Gregory S. Brown's office phone number?

The practice phone on file for Gregory Brown is (989) 269-9521.

What is Gregory S. Brown's medical license number?

Gregory Brown holds Michigan license 5601004964.

Which hospitals is Gregory S. Brown affiliated with?

Gregory Brown practices at McLaren Thumb Region in Bad Axe, Michigan. Gregory Brown is also affiliated with Henry Ford West Bloomfield Hospital. Dmand AI links Gregory Brown to 5 more hospitals.

What medical group is Gregory S. Brown part of?

Gregory Brown is linked to McLaren Medical Group. Dmand AI links Gregory Brown to 7 more medical groups.

Does Gregory S. Brown accept Medicare?

Yes. CMS lists Gregory Brown as accepting Medicare assignment.

How many Medicare patients does Gregory S. Brown see?

CMS counts 123 Medicare patients who saw Gregory Brown in 2024, with an average age of 78.

Has Gregory S. Brown received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Gregory Brown from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.

How long has Gregory S. Brown been practicing?

Gregory Brown graduated from medical school in 2006, 20 years ago.

Selling to physician assistant practices?

See physician assistants 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)