Dr. Robert W. Klassen, MD
- Medicare services, 2024
- 169
- Medicare patients, 2024
- 77
- Part D claims, 2024
- 9,584
- Hospital affiliations
- 1
- Industry payments
- $12,355
- Practice address
- 1000 Johnson Ferry Road, NE, Atlanta, GA 30342
- Practice phone
- Call (404) 851-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klassen'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. Robert W. Klassen is a general practice physician in Atlanta, Georgia
Dr. Klassen practices at Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital.
Dr. Klassen's NPI, 1104926377, was assigned on September 25, 2006. Dr. Klassen holds Georgia license 034385.
- NPI
- 1104926377NPI Registry (opens in a new tab)
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Practice phone
- (404) 851-8000
- 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; and Dmand AI Affiliation Data
Dr. Robert W. Klassen practices at Northside Hospital Atlanta in Atlanta, Georgia
Dr. Klassen's primary practice is Northside Hospital Atlanta, at 1000 Johnson Ferry Road, NE, Atlanta, GA 30342 in Fulton County. The practice phone is (404) 851-8000.
- Northside Hospital Atlanta1000 Johnson Ferry Road, NE, Atlanta, GA 30342 · Fulton CountyPhone(404) 851-8000
Source: Dmand AI Affiliation Data
Dr. Robert W. Klassen is affiliated with 2 sites of care and 1 medical group
Dr. Klassen's primary practice is Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital. The medical group on file is Eternal Faith Hospice. Dmand AI also links Dr. Klassen to 1 more hospice, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert W. Klassen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klassen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northside Hospital Atlanta | Available with a free account |
| +1 more affiliated site | 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 Northside Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert W. Klassen is one of 202 general practice physicians in Georgia
General practice is Dr. Klassen's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Klassen is licensed in Georgia.
Specialties and state licenses
- General practice, GeorgiaPrimary
General practice physicians near Dr. Klassen
Counts of general practice physicians 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. Robert W. Klassen billed Medicare for 169 services in 2024
CMS data shows 169 Medicare services from Dr. Klassen across 4 procedure codes in 2024, for 77 Medicare patients. Medicare paid $13,502 for them. Every service was in an office.
Dr. Klassen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4512024: 16963%
Dr. Klassen compared with the Georgia median for general practice physicians, 2024
- Dr. Klassen
- Georgia median
- Medicare services
- 169vs 21220% below
- Medicare patients
- 77vs 79Close to median
- Part D claims
- 8,854vs 12670.3 times
Medians across 155 general practice physicians in Georgia with Dmand AI profiles that report each measure.
Dr. Klassen'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. Klassen and other general practice physicians in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert W. Klassen treated 77 Medicare patients in 2024, average age 80
CMS counts 77 Medicare patients who saw Dr. Klassen in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.76, 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. Klassen's median patient age at 80, with 60% women.
Dr. Klassen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klassen's Medicare patients by sex, 2024
- Women4153%
- Men3647%
Chronic conditions among Dr. Klassen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Heart failure47%
- Diabetes44%
- Ischemic heart disease39%
- Chronic kidney disease38%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klassen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert W. Klassen wrote 9,584 Medicare Part D claims in 2024
In 2024, Dr. Klassen wrote 9,584 Medicare Part D claims for 388 patients. 86% of them were for generic drugs. CMS names the drug for 8,854 of them, across 147 drugs with 11 or more claims each, at $484,748 in total drug cost. In 2023, CMS named 23,029 claims across 189 drugs.
Dr. Klassen's Part D claims by kind of drug, 2024
- Generic8,196 claims86%
- Brand-name1,323 claims14%
- Other65 claims1%
Dr. Klassen'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. Klassen's Part D claims, 2024
- Opioids6%541 of 9,584 claims
- Antibiotics2%229 of 9,584 claims
- Antipsychotics, patients 65 and over2%223 of 9,584 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: 23,0292024: 8,85462%
Drugs named by CMS: 147 in 2024, 189 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
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Dr. Robert W. Klassen received $12,355 in industry payments from 2016 to 2023
CMS Open Payments shows 62 general payments to Dr. Klassen from 13 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 63% of the total. Astellas Pharma US Inc paid the most, $10,608.
General payments to Dr. Klassen by program year, 2016 to 2023
General payments to Dr. Klassen by kind, 2016 to 2023
- Speaker and faculty fees$7,80063%
- Food and beverage$2,66822%
- Travel and lodging$1,51412%
- Education$3733%
Companies that paid Dr. Klassen the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert W. Klassen'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert W. Klassen
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. Robert W. Klassen's NPI number?
Dr. Robert W. Klassen's NPI number is 1104926377. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert W. Klassen?
Dr. Robert W. Klassen is a general practice physician in Atlanta, Georgia. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Robert W. Klassen practice?
Dr. Klassen practices at 1000 Johnson Ferry Road, NE, Atlanta, GA 30342. Dr. Klassen's primary practice is Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital. Dmand AI also links Dr. Klassen to 1 hospice.
What is Dr. Robert W. Klassen's office phone number?
The practice phone on file for Dr. Klassen is (404) 851-8000.
What is Dr. Robert W. Klassen's medical license number?
Dr. Klassen holds Georgia license 034385.
Which hospitals is Dr. Robert W. Klassen affiliated with?
Dr. Klassen practices at Northside Hospital Atlanta in Atlanta, Georgia.
What medical group is Dr. Robert W. Klassen part of?
Dr. Klassen is linked to Eternal Faith Hospice.
Does Dr. Robert W. Klassen accept Medicare?
Yes. CMS data shows Dr. Klassen billed Medicare for 169 services in 2024.
How many Medicare patients does Dr. Robert W. Klassen see?
CMS counts 77 Medicare patients who saw Dr. Klassen in 2024, with an average age of 80.
What services does Dr. Robert W. Klassen bill to Medicare?
In 2024, Dr. Klassen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99211) and office visit, established patient (99215).
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What drugs does Dr. Robert W. Klassen prescribe most?
In 2024 Medicare Part D data, Dr. Klassen's most prescribed drugs by claims were Levothyroxine Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Robert W. Klassen received payments from drug or device companies?
CMS Open Payments shows $12,355 in general payments to Dr. Klassen from 13 companies from 2016 to 2023. The largest total came from Astellas Pharma US Inc.
How long has Dr. Robert W. Klassen been practicing?
Dr. Klassen graduated from medical school in 1978, 48 years ago.
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