Robert Michael Griffin, PA
- Medicare patients, 2024
- 15
- Hospital affiliations
- 1
- Industry payments
- $18
- Medical groups
- 2
- 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 Robert Griffin'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.
Robert Michael Griffin is a physician assistant in Grand Rapids, Michigan
Robert Griffin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Robert Griffin's NPI, 1225126295, was assigned on October 11, 2006. Robert Griffin holds Michigan license 5601003852.
- NPI
- 1225126295NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739214560
- NPI enumeration date
- October 11, 2006
- 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
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Michael Griffin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Robert Griffin'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
Robert Michael Griffin is affiliated with 1 site of care and 2 medical groups
Robert Griffin'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 Robert Griffin 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 Robert Michael Griffin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Griffin 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
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Robert Michael Griffin is one of 5,857 physician assistants in Michigan
Physician assistant is Robert Griffin's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Robert Griffin is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Robert Griffin
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
Robert Michael Griffin treated 15 Medicare patients in 2024, average age 74
CMS counts 15 Medicare patients who saw Robert Griffin in 2024. 75% of them have high blood pressure. Their average risk score is 2.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Robert Griffin's median patient age at 66, with 48% women.
Chronic conditions among Robert Griffin's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Robert Griffin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women48%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Robert Michael Griffin takes part in Medicare
Robert Griffin 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)
Robert Michael Griffin received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Griffin from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $18.
Companies that paid Robert Griffin 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 Robert Michael Griffin'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 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) |
| 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 Robert Michael Griffin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Michael Griffin's NPI number?
Robert Michael Griffin's NPI number is 1225126295. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What does Robert Michael Griffin specialize in?
Robert Michael Griffin is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Robert Michael Griffin practice?
Robert Griffin practices at 100 Michigan St NE, Grand Rapids, MI 49503. Robert Griffin's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Robert Griffin to 1 medical group.
What is Robert Michael Griffin's office phone number?
The practice phone on file for Robert Griffin is (616) 391-1774.
What is Robert Michael Griffin's medical license number?
Robert Griffin holds Michigan license 5601003852.
Which hospitals is Robert Michael Griffin affiliated with?
Robert Griffin practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.
What medical group is Robert Michael Griffin part of?
Robert Griffin is linked to Corewell Health Medical Group West. Dmand AI links Robert Griffin to 1 more medical group.
Does Robert Michael Griffin accept Medicare?
Yes. CMS lists Robert Griffin as accepting Medicare assignment.
How many Medicare patients does Robert Michael Griffin see?
CMS counts 15 Medicare patients who saw Robert Griffin in 2024, with an average age of 74.
Has Robert Michael Griffin received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Robert Griffin from 1 company from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Robert Michael Griffin been practicing?
Robert Griffin graduated from medical school in 2002, 24 years ago.
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