Robert Klassen, MD
NPI 1104926377 · General Practice Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Klassen, MD is a General Practice Physician provider in Gainesville, GA (NPI 1104926377).
Provider details
- NPI number
- 1104926377
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 034385 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
169 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $120 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 44 | $21 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $169 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 21 | $169 |
Typical Medicare-allowed amounts for these services range $21–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 147 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 394 | 90 |
| Amlodipine Besylate | 360 | 79 |
| Atorvastatin Calcium | 303 | 64 |
| Gabapentin | 250 | 57 |
| Lisinopril | 236 | 50 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 228 | 39 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2016-06-27
Frequently asked questions
- What is Robert Klassen's NPI number?
- Robert Klassen's National Provider Identifier (NPI) is 1104926377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Klassen's specialty?
- Robert Klassen is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Klassen located?
- Robert Klassen's practice location on file with NPPES is 100 Spring St, Gainesville, GA 30501.
- What is Robert Klassen's phone number?
- The practice phone number listed in the NPPES registry for Robert Klassen is (770) 532-3700.
- Does Robert Klassen accept Medicare?
- Robert Klassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Klassen's NPI active?
- Yes — Robert Klassen's NPI (1104926377) is active in the NPPES registry as of the last update on 2016-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.