DR. MARK H GREENBERG MD
NPI 1992757405
Internal Medicine - Rheumatology in Saint Joseph, MI
About Dr. Mark H Greenberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK H GREENBERG MD (NPI 1992757405) is an individual rheumatology provider in Saint Joseph, Michigan, licensed in South Carolina (39092) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark H Greenberg Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeland Hospital, St Joseph
Acute Care Hospitals · St Joseph, MICorewell Health Watervliet Hospital
Acute Care Hospitals · Watervliet, MIConway Medical Center
Acute Care Hospitals · Conway, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49085 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT JOSEPH, MI 49085
SAINT JOSEPH, MI 49085
SAINT JOSEPH, MI 49085
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Greenberg's NPI number?
The NPI number for Mark Greenberg is 1992757405. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is Mark Greenberg located?
Mark Greenberg practices at 3950 Hollywood Rd Ste 288, Saint Joseph, MI 49085. The listed phone number is (269) 408-0990.
What is Mark Greenberg's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Mark Greenberg enrolled in Medicare?
Yes. Mark Greenberg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mark Greenberg accept?
Health plans from BlueCross BlueShield of South Carolina and Molina Healthcare list Mark Greenberg as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Greenberg affiliated with any hospitals?
According to CMS data, Mark Greenberg is affiliated with Lakeland Hospital, St Joseph, Corewell Health Watervliet Hospital and Conway Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Greenberg was last updated on October 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
