Andrew Pfaffenbach, M.D.
NPI 1740654862 · Internal Medicine Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Pfaffenbach, M.D. is a Internal Medicine Physician provider in Appleton, WI (NPI 1740654862).
Provider details
- NPI number
- 1740654862
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 40300-020 (WI)
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
396 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 | 144 | $119 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 82 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 72 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $83 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 21 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 97 | 32 |
| Atorvastatin Calcium | 95 | 33 |
| Rosuvastatin Calcium | 63 | 22 |
| Lisinopril | 58 | 24 |
| Gabapentin | 53 | 12 |
| Losartan Potassium | 51 | 21 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (2)
- 2693 W Grand Chute BlvdAppleton, WI 54913-9617Phone: (920) 931-1107
- 200 Theda Clark Medical PlzNeenah, WI 54956-2721Phone: (920) 727-9650Fax: (920) 727-0430
Registry dates
- Enumerated
- 2015-12-01
- Last updated
- 2022-09-07
- Certified
- 2022-09-07
Frequently asked questions
- What is Andrew Pfaffenbach's NPI number?
- Andrew Pfaffenbach's National Provider Identifier (NPI) is 1740654862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Pfaffenbach's specialty?
- Andrew Pfaffenbach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Pfaffenbach located?
- Andrew Pfaffenbach's practice location on file with NPPES is 2500 E Capitol Dr, Appleton, WI 54911-8735.
- What is Andrew Pfaffenbach's phone number?
- The practice phone number listed in the NPPES registry for Andrew Pfaffenbach is (920) 731-5811.
- Does Andrew Pfaffenbach accept Medicare?
- Andrew Pfaffenbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Pfaffenbach's NPI active?
- Yes — Andrew Pfaffenbach's NPI (1740654862) is active in the NPPES registry as of the last update on 2022-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.