Dr. Michael S. Greer, MD
- Medicare services, 2022
- 2,114
- Part D claims, 2024
- 23
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Industry payments
- $3,808
- Practice address
- 975 E 3rd St, Chattanooga, TN 37403
- Practice phone
- Call (423) 778-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Greer'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. Michael S. Greer is a vascular surgeon in Chattanooga, Tennessee
Dr. Greer practices at Erlanger Baroness Hospital in Chattanooga, Tennessee, part of Erlanger Health.
Dr. Greer's NPI, 1215921945, was assigned on September 8, 2005. Dr. Greer graduated from University of Tennessee, Hsc, College of Medicine in 1978. Dr. Greer holds Tennessee license MD12306.
- NPI
- 1215921945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971585951
- NPI enumeration date
- September 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 778-7000
- 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. Michael S. Greer practices at Erlanger Baroness Hospital in Chattanooga, Tennessee
Dr. Greer's primary practice is Erlanger Baroness Hospital, at 975 E 3rd St, Chattanooga, TN 37403 in Hamilton County. The practice phone is (423) 778-7000.
- Erlanger Baroness Hospital975 E 3rd St, Chattanooga, TN 37403 · Hamilton CountyPhone(423) 778-7000
Source: Dmand AI Affiliation Data
Dr. Michael S. Greer is affiliated with 4 sites of care and 3 medical groups
Dr. Greer's primary practice is Erlanger Baroness Hospital in Chattanooga, Tennessee, part of Erlanger Health. The medical group on file is University Surgical Associates. Dmand AI also links Dr. Greer to 2 more group practices and clinics, 2 medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael S. Greer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Greer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Erlanger Baroness Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Erlanger Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael S. Greer is one of 118 vascular surgeons in Tennessee
Vascular surgery is Dr. Greer's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Greer is licensed in Tennessee.
Specialties and state licenses
- Vascular surgery, TennesseePrimary
Vascular surgeons near Dr. Greer
Counts of vascular surgeons 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. Michael S. Greer billed Medicare for 2,114 services in 2022
CMS data shows 2,114 Medicare services from Dr. Greer across 22 procedure codes in 2022. Medicare paid $152,986 for them.
Dr. Greer's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 1,1052022: 1,45632%
- Office and hospital visits
- 2021: 6412022: 6026%
- Imaging
- 2021: 02022: 44
- Surgery
- 2021: 562022: 1279%
- Lab and pathology
- 2021: 172022: 0100%
Where Dr. Greer's Medicare services took place, 2022
- In an office1,64178%
- In a facility47322%
Dr. Greer compared with the Tennessee median for vascular surgeons, 2022
- Dr. Greer
- Tennessee median
- Medicare services
- 2,114vs 6643.2 times
- Part D claims
- 36vs 11869% below
Medians across 116 vascular surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Greer's most billed Medicare procedure codes, 2022
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. Greer and other vascular surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael S. Greer's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Greer's median patient age at 68, with 48% women.
Dr. Greer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Michael S. Greer wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Greer wrote 23 Medicare Part D claims. 74% of them were for generic drugs. They cover 2 drugs, with $9,745 in total drug cost. In 2022, CMS named 114 claims across 3 drugs.
Dr. Greer's Part D claims by kind of drug, 2024
- Generic17 claims74%
- Brand-name and other6 claims26%
Dr. Greer's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1142023: 3668%
Drugs named by CMS: 2 in 2023, 3 in 2022.
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. Michael S. Greer scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Greer for performance year 2024, reported through an alternative payment model (APM). Dr. Greer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Greer's MIPS scores, performance year 2024
- 94of 100Final score
- 92.6of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael S. Greer received $3,808 in industry payments from 2016 to 2025
CMS Open Payments shows 73 general payments to Dr. Greer from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. W. L. Gore & Associates, Inc. paid the most, $727.
General payments to Dr. Greer by program year, 2016 to 2025
General payments to Dr. Greer by kind, 2016 to 2025
- Food and beverage$3,73098%
- Speaker and faculty fees$792%
Companies that paid Dr. Greer 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. Michael S. Greer graduated from University of Tennessee, Hsc, College of Medicine
Dr. Greer graduated from University of Tennessee, Hsc, College of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael S. Greer'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 Data |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Michael S. Greer
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. Michael S. Greer's NPI number?
Dr. Michael S. Greer's NPI number is 1215921945. It was assigned on September 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael S. Greer?
Dr. Michael S. Greer is a vascular surgeon in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Michael S. Greer practice?
Dr. Greer practices at 975 E 3rd St, Chattanooga, TN 37403. Dr. Greer's primary practice is Erlanger Baroness Hospital in Chattanooga, Tennessee, part of Erlanger Health. Dmand AI also links Dr. Greer to 2 group practices and clinics, 2 medical groups and 1 community health center.
What is Dr. Michael S. Greer's office phone number?
The practice phone on file for Dr. Greer is (423) 778-7000.
What is Dr. Michael S. Greer's medical license number?
Dr. Greer holds Tennessee license MD12306.
Which hospitals is Dr. Michael S. Greer affiliated with?
Dr. Greer practices at Erlanger Baroness Hospital in Chattanooga, Tennessee.
What medical group is Dr. Michael S. Greer part of?
Dr. Greer is linked to University Surgical Associates. Dmand AI links Dr. Greer to 2 more medical groups.
Does Dr. Michael S. Greer accept Medicare?
Yes. CMS data shows Dr. Greer billed Medicare for 2,114 services in 2022, and Dr. Greer accepts Medicare assignment.
What is Dr. Michael S. Greer's MIPS score?
Dr. Greer's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
What services does Dr. Michael S. Greer bill to Medicare?
In 2022, Dr. Greer's most billed Medicare services were office visit, established patient (99213), blood vessel study (93880) and blood vessel study (93922).
Show 4 more questionsShow fewer questions
Where did Dr. Michael S. Greer go to medical school?
Dr. Greer graduated from University of Tennessee, Hsc, College of Medicine in 1978.
What drugs does Dr. Michael S. Greer prescribe most?
In 2023 Medicare Part D data, Dr. Greer's most prescribed drugs by claims were Clopidogrel and Xarelto.
Has Dr. Michael S. Greer received payments from drug or device companies?
CMS Open Payments shows $3,808 in general payments to Dr. Greer from 24 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Michael S. Greer been practicing?
Dr. Greer graduated from medical school in 1978, 48 years ago.
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