Dr. Gary M. Hollander, DO
- Medicare services, 2024
- 4,548
- Medicare patients, 2024
- 297
- Part D claims, 2024
- 11,469
- Hospital affiliations
- 4
- Industry payments
- $5,593
- Practice address
- 27275 Haggerty Rd, Novi, MI 48377
- Practice phone
- Call (312) 465-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vmd Primary Providers Eastern Michigan
Novi, Michigan
Find Dr. Hollander'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.
Dr. Gary M. Hollander is an internist in Novi, Michigan
Dr. Hollander practices at Vmd Primary Providers Eastern Michigan in Novi, Michigan.
Dr. Hollander's NPI, 1902896749, was assigned on October 24, 2005. Dr. Hollander graduated from Michigan State University College of Osteopathic Medicine in 1995. Dr. Hollander holds Michigan license 5101012793.
- NPI
- 1902896749NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749264208
- NPI enumeration date
- October 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 465-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary M. Hollander practices at Vmd Primary Providers Eastern Michigan in Novi, Michigan
Dr. Hollander's primary practice is Vmd Primary Providers Eastern Michigan, at 27275 Haggerty Rd, Novi, MI 48377 in Oakland County. The practice phone is (312) 465-7900.
- Vmd Primary Providers Eastern Michigan27275 Haggerty Rd, Novi, MI 48377 · Oakland CountyPhone(312) 465-7900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary M. Hollander is affiliated with 9 sites of care and 2 medical groups
Dr. Hollander's primary practice is Vmd Primary Providers Eastern Michigan in Novi, Michigan. Dr. Hollander is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is VillageMD Physicians Network. Dmand AI also links Dr. Hollander to 3 more hospitals, 2 group practices and clinics, 2 home health agencies 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 Dr. Gary M. Hollander's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hollander practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vmd Primary Providers Eastern Michigan | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary M. Hollander is one of 4,804 internists in Michigan
Internal medicine is Dr. Hollander's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hollander is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Hollander
Counts of internists 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
Dr. Gary M. Hollander billed Medicare for 4,548 services in 2024
CMS data shows 4,548 Medicare services from Dr. Hollander across 42 procedure codes in 2024, for 297 Medicare patients. Medicare paid $103,658 for them. Every service was in an office.
Dr. Hollander's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,5482024: 2,92215%
- Other services
- 2023: 2322024: 577149%
- Office and hospital visits
- 2023: 5042024: 5244%
- Surgery
- 2023: 3712024: 44921%
- Tests and treatments
- 2023: 1092024: 7630%
Dr. Hollander compared with the Michigan median for internists, 2024
- Dr. Hollander
- Michigan median
- Medicare services
- 4,548vs 42310.8 times
- Medicare patients
- 297vs 15987% above
- Part D claims
- 10,777vs 31434.3 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Hollander's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hollander and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary M. Hollander treated 297 Medicare patients in 2024, average age 72
CMS counts 297 Medicare patients who saw Dr. Hollander in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hollander's median patient age at 61, with 44% women.
Dr. Hollander's Medicare patients by age, 2024
Dr. Hollander's Medicare patients by sex, 2024
- Women14549%
- Men15251%
Chronic conditions among Dr. Hollander's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes36%
- Mood disorders35%
- Heart failure34%
- Depression33%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hollander'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
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary M. Hollander wrote 11,469 Medicare Part D claims in 2024
In 2024, Dr. Hollander wrote 11,469 Medicare Part D claims for 687 patients. 84% of them were for generic drugs. CMS names the drug for 10,777 of them, across 152 drugs with 11 or more claims each, at $1,576,705 in total drug cost. In 2023, CMS named 9,459 claims across 146 drugs.
Dr. Hollander's Part D claims by kind of drug, 2024
- Generic9,655 claims84%
- Brand-name1,725 claims15%
- Other89 claims1%
Dr. Hollander's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hollander's Part D claims, 2024
- Opioids1%151 of 11,469 claims
- Antibiotics4%412 of 11,469 claims
- Antipsychotics, patients 65 and over1%130 of 11,469 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,4592024: 10,77714%
Drugs named by CMS: 152 in 2024, 146 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gary M. Hollander offers telehealth to Medicare patients
Dr. Hollander accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hollander as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary M. Hollander received $5,593 in industry payments from 2016 to 2025
CMS Open Payments shows 378 general payments to Dr. Hollander from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $802.
General payments to Dr. Hollander by program year, 2016 to 2025
General payments to Dr. Hollander by kind, 2016 to 2025
- Food and beverage$5,589100%
- Education$40%
Companies that paid Dr. Hollander the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary M. Hollander graduated from Michigan State University College of Osteopathic Medicine
Dr. Hollander graduated from Michigan State University College of Osteopathic Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary M. Hollander'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Gary M. Hollander
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gary M. Hollander's NPI number?
Dr. Gary M. Hollander's NPI number is 1902896749. It was assigned on October 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary M. Hollander?
Dr. Gary M. Hollander is an internist in Novi, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gary M. Hollander practice?
Dr. Hollander practices at 27275 Haggerty Rd, Novi, MI 48377. Dr. Hollander's primary practice is Vmd Primary Providers Eastern Michigan in Novi, Michigan. Dmand AI also links Dr. Hollander to 3 hospitals, 2 group practices and clinics, 2 home health agencies and 1 medical group.
What is Dr. Gary M. Hollander's office phone number?
The practice phone on file for Dr. Hollander is (312) 465-7900.
What is Dr. Gary M. Hollander's medical license number?
Dr. Hollander holds Michigan license 5101012793.
Which hospitals is Dr. Gary M. Hollander affiliated with?
Dr. Hollander is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Hollander to 3 more hospitals.
What medical group is Dr. Gary M. Hollander part of?
Dr. Hollander is linked to VillageMD Physicians Network. Dmand AI links Dr. Hollander to 1 more medical group.
Does Dr. Gary M. Hollander accept Medicare?
Yes. CMS data shows Dr. Hollander billed Medicare for 4,548 services in 2024, and Dr. Hollander accepts Medicare assignment.
Does Dr. Gary M. Hollander offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hollander as offering telehealth services.
How many Medicare patients does Dr. Gary M. Hollander see?
CMS counts 297 Medicare patients who saw Dr. Hollander in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Gary M. Hollander bill to Medicare?
In 2024, Dr. Hollander's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (85025).
Where did Dr. Gary M. Hollander go to medical school?
Dr. Hollander graduated from Michigan State University College of Osteopathic Medicine in 1995.
What drugs does Dr. Gary M. Hollander prescribe most?
In 2024 Medicare Part D data, Dr. Hollander's most prescribed drugs by claims were Atorvastatin Calcium, Pantoprazole Sodium and Rosuvastatin Calcium.
Has Dr. Gary M. Hollander received payments from drug or device companies?
CMS Open Payments shows $5,593 in general payments to Dr. Hollander from 32 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gary M. Hollander been practicing?
Dr. Hollander graduated from medical school in 1995, 31 years ago.
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