Education, Medical, ContinuingInternal MedicinePoint-of-Care Systems
Dr. Mark H. Greenberg, MD
NPI1992757405PAC ID5092885442
- Medicare services, 2024
- 100
- Medicare patients, 2024
- 83
- Part D claims, 2024
- 1,011
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 1234 Napier Avenue, Saint Joseph, MI 49085
- Practice phone
- Call (269) 983-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Greenberg's professional email, personal email and mobile number
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Dr. Mark H. Greenberg is a rheumatologist in Saint Joseph, Michigan
Dr. Greenberg practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health.
Dr. Greenberg's NPI, 1992757405, was assigned on May 16, 2006. Dr. Greenberg graduated from Feinberg School of Medicine in 1978. Dr. Greenberg holds South Carolina license 39092.
NPI and contact details
- NPI
- 1992757405NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092885442
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 983-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark H. Greenberg practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan
Dr. Greenberg's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital, at 1234 Napier Avenue, Saint Joseph, MI 49085 in Berrien County. The practice phone is (269) 983-8300.
- Corewell Health Lakeland Hospitals - Saint Joseph Hospital1234 Napier Avenue, Saint Joseph, MI 49085 · Berrien CountyPhone(269) 983-8300
Source: Dmand AI Affiliation Data
Dr. Mark H. Greenberg is affiliated with 3 sites of care and 1 medical group
Dr. Greenberg's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health. Dr. Greenberg is also affiliated with Conway Medical Center. The medical group on file is Corewell Health Medical Group South. Dmand AI also links Dr. Greenberg to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark H. Greenberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greenberg practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Lakeland Hospitals - Saint Joseph Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark H. Greenberg is one of 203 rheumatologists in Michigan
Rheumatology is Dr. Greenberg's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Greenberg is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Greenberg's licenses on file in 3 states: South Carolina, Florida and Illinois.
Specialties and state licenses
- Rheumatology, South CarolinaPrimary
- Florida license
- Illinois license
Clinical focus
Dmand AI lists arteritis, arthritis, joint arthropathy, joint pain, lupus, osteoporosis and rheumatoid arthritis among the conditions Dr. Greenberg treats.
Rheumatologists near Dr. Greenberg
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
203rheumatologists in Michigan
8rheumatologists in Saint Joseph
8rheumatologists at Corewell Health Lakeland Hospitals - Saint Joseph HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark H. Greenberg billed Medicare for 100 services in 2024
CMS data shows 100 Medicare services from Dr. Greenberg across 1 procedure code in 2024, all of them office visits, for 83 Medicare patients. Medicare paid $7,445 for them. Every service was in an office.
Medicare services, 2024100
Medicare patients83
Paid by Medicare$7,445
Procedure codes1
Dr. Greenberg compared with the Michigan median for rheumatologists, 2024
- Dr. Greenberg
- Michigan median
- Medicare services
- 100vs 40075% below
- Medicare patients
- 83vs 16249% below
- Part D claims
- 844vs 1,19930% below
Medians across 198 rheumatologists in Michigan with Dmand AI profiles that report each measure.
Dr. Greenberg'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.
Need commercial claims for Dr. Greenberg?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Greenberg and other rheumatologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark H. Greenberg treated 83 Medicare patients in 2024, average age 72
CMS counts 83 Medicare patients who saw Dr. Greenberg in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Greenberg's median patient age at 62, with 75% women.
Medicare patients, 202483
Average age72
Average risk score1.71
Dr. Greenberg's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Greenberg's Medicare patients by sex, 2024
- Women5870%
- Men2530%
Chronic conditions among Dr. Greenberg's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis43%
- Diabetes42%
- Anxiety30%
- Chronic kidney disease29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Greenberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark H. Greenberg wrote 1,011 Medicare Part D claims in 2024
In 2024, Dr. Greenberg wrote 1,011 Medicare Part D claims for 224 patients. 67% of them were for generic drugs. CMS names the drug for 844 of them, across 22 drugs with 11 or more claims each, at $1,248,213 in total drug cost.
Part D claims, 20241,011
Drugs named by CMS22
Total drug cost$1.2M
Part D patients224
Dr. Greenberg's Part D claims by kind of drug, 2024
- Generic677 claims67%
- Brand-name315 claims31%
- Other19 claims2%
Dr. Greenberg'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.
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
How Dr. Mark H. Greenberg takes part in Medicare
Dr. Greenberg 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)
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Dr. Mark H. Greenberg has 1 publication on record
Dmand AI links 1 paper to Dr. Greenberg. Dr. Greenberg's most frequent co-author is Gregg M. Talente, MD.
Papers1
Dr. Greenberg's most frequent co-authors
Recent publications by Dr. Greenberg
See who Dr. Greenberg researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Greenberg works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark H. Greenberg received $20 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Greenberg from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Celgene Corporation paid the most, $20.
Companies that paid Dr. Greenberg the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark H. Greenberg has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Greenberg, most recently Top Doctors: Florida in 2015.
Awards and honors for Dr. Greenberg
- 2015
- Top Doctors: Florida
- 2013
- CMS Stage 1 EHR
- Undated
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. Mark H. Greenberg graduated from Feinberg School of Medicine
Dr. Greenberg graduated from Feinberg School of Medicine in 1978. Dr. Greenberg is a member of ACR and AIUM.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
- Board certified in musculoskeletal ultrasound certification in rheumatology (rhmsus)
- Board certified in registered in musculoskeletal ultrasound (rmsk)
Source: Dmand AI Professional Profile Data
Dr. Mark H. Greenberg accepts plans from 17 insurance carriers
Dr. Greenberg is in network with 17 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Cigna
- Elevance
- HCSC
- Molina
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Greenberg accepts, by number of carriers
- PPO12
- HMO9
- Medicare8
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark H. Greenberg'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Mark H. Greenberg
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. Mark H. Greenberg's NPI number?
Dr. Mark H. Greenberg's NPI number is 1992757405. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark H. Greenberg?
Dr. Mark H. Greenberg is a rheumatologist in Saint Joseph, Michigan. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Mark H. Greenberg practice?
Dr. Greenberg practices at 1234 Napier Avenue, Saint Joseph, MI 49085. Dr. Greenberg's primary practice is Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan, part of Corewell Health. Dmand AI also links Dr. Greenberg to 1 hospital.
What is Dr. Mark H. Greenberg's office phone number?
The practice phone on file for Dr. Greenberg is (269) 983-8300.
What is Dr. Mark H. Greenberg's medical license number?
Dr. Greenberg holds South Carolina license 39092, one of the licenses on file in 3 states.
Which states has Dr. Mark H. Greenberg been licensed in?
Dmand AI has state licenses on file for Dr. Greenberg in South Carolina (2016 to 2027), Florida (1984 to 2027) and Illinois (1980 to 1982).
Which hospitals is Dr. Mark H. Greenberg affiliated with?
Dr. Greenberg practices at Corewell Health Lakeland Hospitals - Saint Joseph Hospital in Saint Joseph, Michigan. Dr. Greenberg is also affiliated with Conway Medical Center. Dmand AI links Dr. Greenberg to 1 more hospital.
What medical group is Dr. Mark H. Greenberg part of?
Dr. Greenberg is linked to Corewell Health Medical Group South.
Does Dr. Mark H. Greenberg accept Medicare?
Yes. CMS data shows Dr. Greenberg billed Medicare for 100 services in 2024, and Dr. Greenberg accepts Medicare assignment.
How many Medicare patients does Dr. Mark H. Greenberg see?
CMS counts 83 Medicare patients who saw Dr. Greenberg in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Dr. Mark H. Greenberg board certified?
Yes. Dr. Greenberg is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Mark H. Greenberg bill to Medicare?
In 2024, Dr. Greenberg's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Mark H. Greenberg go to medical school?
Dr. Greenberg graduated from Feinberg School of Medicine in 1978.
What drugs does Dr. Mark H. Greenberg prescribe most?
In 2024 Medicare Part D data, Dr. Greenberg's most prescribed drugs by claims were Prednisone, Hydroxychloroquine Sulfate and Methotrexate.
Has Dr. Mark H. Greenberg received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Greenberg from 1 company from 2024 to 2024. The largest total came from Celgene Corporation.
How long has Dr. Mark H. Greenberg been practicing?
Dr. Greenberg graduated from medical school in 1978, 48 years ago.
Does Dr. Mark H. Greenberg do research?
Dmand AI links 1 publication to Dr. Greenberg.
Who does Dr. Mark H. Greenberg publish with?
Dr. Greenberg's most frequent co-authors are Gregg M. Talente, MD (1 shared paper).
What insurance does Dr. Mark H. Greenberg accept?
Dr. Greenberg is in network with 17 carriers, including Aetna, United Healthcare and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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