Lauren Greifenberg
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 201
- Hospital affiliations
- 2
- Industry payments
- $275
- Medical group
- 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
Primary practice
Find Lauren Greifenberg'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.
Lauren Greifenberg is a physician assistant in Grand Rapids, Michigan
Lauren Greifenberg practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Lauren Greifenberg's NPI, 1093576555, was assigned on January 22, 2024.
- NPI
- 1093576555NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668817339
- NPI enumeration date
- January 22, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Lauren Greifenberg practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Lauren Greifenberg'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
Lauren Greifenberg is affiliated with 2 sites of care and 1 medical group
Lauren Greifenberg's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Lauren Greifenberg is also affiliated with Trinity Health Grand Rapids Hospital. The medical group on file is Trinity Health Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lauren Greifenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lauren Greifenberg practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Lauren Greifenberg is one of 5,857 physician assistants in Michigan
Physician assistant is Lauren Greifenberg's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Lauren Greifenberg
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
Lauren Greifenberg treated 31 Medicare patients in 2024, average age 67
CMS counts 31 Medicare patients who saw Lauren Greifenberg in 2024. The largest group is under 65, with 13 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Lauren Greifenberg's median patient age at 61, with 60% women.
Lauren Greifenberg's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Lauren Greifenberg's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease68%
- Mood disorders58%
- Depression55%
- Arthritis45%
- Ischemic heart disease45%
Share of Medicare patients with each condition. A patient can have several.
Lauren Greifenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lauren Greifenberg wrote 201 Medicare Part D claims in 2024
In 2024, Lauren Greifenberg wrote 201 Medicare Part D claims for 80 patients. 27% of them were for generic drugs.
Lauren Greifenberg's Part D claims by kind of drug, 2024
- Generic55 claims27%
- Brand-name127 claims63%
- Other19 claims9%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Lauren Greifenberg offers telehealth to Medicare patients
Lauren Greifenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Lauren Greifenberg as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Lauren Greifenberg received $275 in industry payments in 2025
CMS Open Payments shows 2 general payments to Lauren Greifenberg from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $143.
Companies that paid Lauren Greifenberg 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 Lauren Greifenberg'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) |
| 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 Lauren Greifenberg
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lauren Greifenberg's NPI number?
Lauren Greifenberg's NPI number is 1093576555. It was assigned on January 22, 2024, and it is active in the NPI Registry.
What does Lauren Greifenberg specialize in?
Lauren Greifenberg is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Lauren Greifenberg practice?
Lauren Greifenberg practices at 100 Michigan St NE, Grand Rapids, MI 49503. Lauren Greifenberg's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
What is Lauren Greifenberg's office phone number?
The practice phone on file for Lauren Greifenberg is (616) 391-1774.
Which hospitals is Lauren Greifenberg affiliated with?
Lauren Greifenberg practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Lauren Greifenberg is also affiliated with Trinity Health Grand Rapids Hospital.
What medical group is Lauren Greifenberg part of?
Lauren Greifenberg is linked to Trinity Health Medical Group.
Does Lauren Greifenberg accept Medicare?
Yes. CMS lists Lauren Greifenberg as accepting Medicare assignment.
Does Lauren Greifenberg offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Lauren Greifenberg as offering telehealth services.
How many Medicare patients does Lauren Greifenberg see?
CMS counts 31 Medicare patients who saw Lauren Greifenberg in 2024, with an average age of 67.
Has Lauren Greifenberg received payments from drug or device companies?
CMS Open Payments shows $275 in general payments to Lauren Greifenberg from 2 companies from 2025 to 2025. The largest total came from Corcept Therapeutics.
How long has Lauren Greifenberg been practicing?
Lauren Greifenberg graduated from medical school in 2023, 3 years ago.
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