Dr. Andrew C. Pfaffenbach, MD
- Medicare services, 2024
- 396
- Medicare patients, 2024
- 118
- Part D claims, 2024
- 1,633
- Hospital affiliations
- 3
- Industry payments
- $30
- Practice address
- 2500 E Capitol Dr, Appleton, WI 54911
- Practice phone
- Call (920) 830-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thedacare Physicians
Appleton, Wisconsin
Find Dr. Pfaffenbach'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. Andrew C. Pfaffenbach is an internist in Appleton, Wisconsin
Dr. Pfaffenbach practices at Thedacare Physicians in Appleton, Wisconsin.
Dr. Pfaffenbach's NPI, 1740654862, was assigned on December 1, 2015. Dr. Pfaffenbach graduated from University of Wisconsin School of Medicine in 1997. Dr. Pfaffenbach holds Wisconsin license 40300-020.
- NPI
- 1740654862NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406231315
- NPI enumeration date
- December 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 830-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew C. Pfaffenbach practices at Thedacare Physicians in Appleton, Wisconsin
Dr. Pfaffenbach's primary practice is Thedacare Physicians, at 2500 E Capitol Dr, Appleton, WI 54911 in Outagamie County. The practice phone is (920) 830-5900.
- Thedacare Physicians2500 E Capitol Dr, Appleton, WI 54911 · Outagamie CountyPhone(920) 830-5900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew C. Pfaffenbach is affiliated with 5 sites of care and 1 medical group
Dr. Pfaffenbach's primary practice is Thedacare Physicians in Appleton, Wisconsin. Dr. Pfaffenbach is also affiliated with ThedaCare Regional Medical Center-Appleton. The medical group on file is ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI also links Dr. Pfaffenbach to 2 more hospitals and 1 group practice or clinic, each 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. Andrew C. Pfaffenbach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pfaffenbach practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thedacare Physicians | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew C. Pfaffenbach is one of 1,675 internists in Wisconsin
Internal medicine is Dr. Pfaffenbach's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pfaffenbach is licensed in Wisconsin.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
Internists near Dr. Pfaffenbach
Counts of internists 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. Andrew C. Pfaffenbach billed Medicare for 396 services in 2024
CMS data shows 396 Medicare services from Dr. Pfaffenbach across 9 procedure codes in 2024, for 118 Medicare patients. Medicare paid $19,617 for them. Every service was in an office.
Dr. Pfaffenbach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1352024: 17127%
- Other services
- 2023: 112024: 99800%
- Surgery
- 2023: 562024: 7229%
- Imaging
- 2023: 02024: 33
- Lab and pathology
- 2023: 212024: 21No change
- Tests and treatments
- 2023: 122024: 0100%
Dr. Pfaffenbach compared with the Wisconsin median for internists, 2024
- Dr. Pfaffenbach
- Wisconsin median
- Medicare services
- 396vs 45713% below
- Medicare patients
- 118vs 19941% below
- Part D claims
- 1,172vs 4332.7 times
Medians across 1,658 internists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Pfaffenbach'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.
Need commercial claims for Dr. Pfaffenbach?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pfaffenbach and other internists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew C. Pfaffenbach treated 118 Medicare patients in 2024, average age 74
CMS counts 118 Medicare patients who saw Dr. Pfaffenbach in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.77, 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. Pfaffenbach's median patient age at 69, with 48% women.
Dr. Pfaffenbach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pfaffenbach's Medicare patients by sex, 2024
- Women5950%
- Men5950%
Chronic conditions among Dr. Pfaffenbach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Mood disorders42%
- Depression39%
- Ischemic heart disease37%
- Anxiety36%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pfaffenbach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew C. Pfaffenbach wrote 1,633 Medicare Part D claims in 2024
In 2024, Dr. Pfaffenbach wrote 1,633 Medicare Part D claims for 224 patients. 86% of them were for generic drugs. CMS names the drug for 1,172 of them, across 45 drugs with 11 or more claims each, at $101,970 in total drug cost. In 2023, CMS named 584 claims across 27 drugs.
Dr. Pfaffenbach's Part D claims by kind of drug, 2024
- Generic1,402 claims86%
- Brand-name214 claims13%
- Other17 claims1%
Dr. Pfaffenbach'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. Pfaffenbach's Part D claims, 2024
- Opioids1%16 of 1,633 claims
- Antibiotics4%58 of 1,633 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: 5842024: 1,172101%
Drugs named by CMS: 45 in 2024, 27 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
How Dr. Andrew C. Pfaffenbach takes part in Medicare
Dr. Pfaffenbach accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Andrew C. Pfaffenbach received $30 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Pfaffenbach from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $30.
Companies that paid Dr. Pfaffenbach the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew C. Pfaffenbach graduated from University of Wisconsin School of Medicine
Dr. Pfaffenbach graduated from University of Wisconsin School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew C. Pfaffenbach'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Andrew C. Pfaffenbach
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. Andrew C. Pfaffenbach's NPI number?
Dr. Andrew C. Pfaffenbach's NPI number is 1740654862. It was assigned on December 1, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew C. Pfaffenbach?
Dr. Andrew C. Pfaffenbach is an internist in Appleton, Wisconsin. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Andrew C. Pfaffenbach practice?
Dr. Pfaffenbach practices at 2500 E Capitol Dr, Appleton, WI 54911. Dr. Pfaffenbach's primary practice is Thedacare Physicians in Appleton, Wisconsin. Dmand AI also links Dr. Pfaffenbach to 2 hospitals and 1 group practice or clinic.
What is Dr. Andrew C. Pfaffenbach's office phone number?
The practice phone on file for Dr. Pfaffenbach is (920) 830-5900.
What is Dr. Andrew C. Pfaffenbach's medical license number?
Dr. Pfaffenbach holds Wisconsin license 40300-020.
Which hospitals is Dr. Andrew C. Pfaffenbach affiliated with?
Dr. Pfaffenbach is affiliated with ThedaCare Regional Medical Center-Appleton. Dmand AI links Dr. Pfaffenbach to 2 more hospitals.
What medical group is Dr. Andrew C. Pfaffenbach part of?
Dr. Pfaffenbach is linked to ThedaCare Behavioral Health Walk-in Care-Neenah.
Does Dr. Andrew C. Pfaffenbach accept Medicare?
Yes. CMS data shows Dr. Pfaffenbach billed Medicare for 396 services in 2024, and Dr. Pfaffenbach accepts Medicare assignment.
How many Medicare patients does Dr. Andrew C. Pfaffenbach see?
CMS counts 118 Medicare patients who saw Dr. Pfaffenbach in 2024, with an average age of 74.
What services does Dr. Andrew C. Pfaffenbach bill to Medicare?
In 2024, Dr. Pfaffenbach's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and surgery: heart and blood vessels (36415).
Show 4 more questionsShow fewer questions
Where did Dr. Andrew C. Pfaffenbach go to medical school?
Dr. Pfaffenbach graduated from University of Wisconsin School of Medicine in 1997.
What drugs does Dr. Andrew C. Pfaffenbach prescribe most?
In 2024 Medicare Part D data, Dr. Pfaffenbach's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Andrew C. Pfaffenbach received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Dr. Pfaffenbach from 1 company from 2022 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Andrew C. Pfaffenbach been practicing?
Dr. Pfaffenbach graduated from medical school in 1997, 29 years ago.
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