Dr. Don W. Shaffer II, MD
- Medicare services, 2023
- 14
- Part D claims, 2024
- 17
- MIPS score, 2024
- 94
- Industry payments
- $13,862
- Affiliated sites
- 1
- Practice address
- 3950 Austell Rd, Austell, GA 30106
- Practice phone
- Call (470) 644-0012
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellstar Cobb Medical Center
Austell, Georgia
Find Dr. Shaffer's professional email, personal email and mobile number
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Dr. Don W. Shaffer II is a hematologist and oncologist in Austell, Georgia
Dr. Shaffer practices at Wellstar Cobb Medical Center in Austell, Georgia.
Dr. Shaffer's NPI, 1124023452, was assigned on June 14, 2005. Dr. Shaffer graduated from University of Miami, Lm Miller School of Medicine in 1982. Dr. Shaffer holds Georgia license 037681.
- NPI
- 1124023452NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2005
- NPI status
- Active
- Practice phone
- (470) 644-0012
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Don W. Shaffer II practices at Wellstar Cobb Medical Center in Austell, Georgia
Dr. Shaffer's primary practice is Wellstar Cobb Medical Center, at 3950 Austell Rd, Austell, GA 30106 in Cobb County. The practice phone is (470) 644-0012.
- Wellstar Cobb Medical Center3950 Austell Rd, Austell, GA 30106 · Cobb CountyPhone(470) 644-0012
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Don W. Shaffer II is affiliated with 2 sites of care and 1 medical group
Dr. Shaffer's primary practice is Wellstar Cobb Medical Center in Austell, Georgia. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Shaffer to 1 more group practice or clinic, 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. Don W. Shaffer II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaffer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellstar Cobb Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Don W. Shaffer II is one of 379 hematologists and oncologists in Georgia
Hematology and oncology is Dr. Shaffer's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Shaffer is licensed in Georgia.
Specialties and state licenses
- Hematology and oncology, GeorgiaPrimary
Hematologists and oncologists near Dr. Shaffer
Counts of hematologists and oncologists 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. Don W. Shaffer II billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Shaffer across 1 procedure code in 2023. Medicare paid $107 for them. Every service was in an office.
Dr. Shaffer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 992023: 1486%
- Surgery
- 2022: 182023: 0100%
- Office and hospital visits
- 2022: 2972023: 0100%
Dr. Shaffer compared with the Georgia median for hematologists and oncologists, 2023
- Dr. Shaffer
- Georgia median
- Medicare services
- 14vs 69198% below
- Part D claims
- 15vs 67598% below
Medians across 350 hematologists and oncologists in Georgia with Dmand AI profiles that report each measure.
Dr. Shaffer's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Don W. Shaffer II's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Shaffer's median patient age at 76, with 53% women.
Dr. Shaffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Don W. Shaffer II wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Shaffer wrote 17 Medicare Part D claims. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $62,466 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Shaffer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 1525%
Drugs named by CMS: 1 in 2024, 1 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. Don W. Shaffer II 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. Shaffer for performance year 2024, reported through an alternative payment model (APM).
Dr. Shaffer's MIPS scores, performance year 2024
- 94of 100Final score
- 82.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Don W. Shaffer II received $13,862 in industry payments from 2016 to 2025
CMS Open Payments shows 245 general payments to Dr. Shaffer from 47 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 61% of the total. GlaxoSmithKline, LLC. paid the most, $5,223.
General payments to Dr. Shaffer by program year, 2016 to 2025
General payments to Dr. Shaffer by kind, 2016 to 2025
- Consulting fees$8,42061%
- Food and beverage$3,81828%
- Speaker and faculty fees$1,0007%
- Education$4743%
- Honoraria$1501%
Companies that paid Dr. Shaffer 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. Don W. Shaffer II graduated from University of Miami, Lm Miller School of Medicine
Dr. Shaffer graduated from University of Miami, Lm Miller School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Don W. Shaffer II'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 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 | Clinician Public Reporting: Overall MIPS Performance (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. Don W. Shaffer II
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. Don W. Shaffer II's NPI number?
Dr. Don W. Shaffer II's NPI number is 1124023452. It was assigned on June 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Don W. Shaffer II?
Dr. Don W. Shaffer II is a hematologist and oncologist in Austell, Georgia. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Don W. Shaffer II practice?
Dr. Shaffer practices at 3950 Austell Rd, Austell, GA 30106. Dr. Shaffer's primary practice is Wellstar Cobb Medical Center in Austell, Georgia. Dmand AI also links Dr. Shaffer to 1 group practice or clinic.
What is Dr. Don W. Shaffer II's office phone number?
The practice phone on file for Dr. Shaffer is (470) 644-0012.
What is Dr. Don W. Shaffer II's medical license number?
Dr. Shaffer holds Georgia license 037681.
What medical group is Dr. Don W. Shaffer II part of?
Dr. Shaffer is linked to Wellstar Medical Group.
Does Dr. Don W. Shaffer II accept Medicare?
Yes. CMS data shows Dr. Shaffer billed Medicare for 14 services in 2023.
What is Dr. Don W. Shaffer II's MIPS score?
Dr. Shaffer's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
What services does Dr. Don W. Shaffer II bill to Medicare?
In 2023, Dr. Shaffer's most billed Medicare services were lab and pathology test (85025).
Where did Dr. Don W. Shaffer II go to medical school?
Dr. Shaffer graduated from University of Miami, Lm Miller School of Medicine in 1982.
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What drugs does Dr. Don W. Shaffer II prescribe most?
In 2024 Medicare Part D data, Dr. Shaffer's most prescribed drugs by claims were Gamunex-C.
Has Dr. Don W. Shaffer II received payments from drug or device companies?
CMS Open Payments shows $13,862 in general payments to Dr. Shaffer from 47 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Don W. Shaffer II been practicing?
Dr. Shaffer graduated from medical school in 1982, 44 years ago.
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