Philip Zimmermann, M.D.
NPI 1477783801 · Internal Medicine Physician · Madison, WI
Philip Zimmermann, M.D. is a Internal Medicine Physician provider in Madison, WI (NPI 1477783801).
Provider details
- NPI number
- 1477783801
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55123 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
319 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) |
|---|---|---|
| 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 | 119 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 112 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 88 | $9 |
Typical Medicare-allowed amounts for these services range $9–$85 (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 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 205 | 70 |
| Losartan Potassium | 151 | 59 |
| Levothyroxine Sodium | 132 | 39 |
| Amlodipine Besylate | 124 | 47 |
| Lisinopril | 121 | 51 |
| Carvedilol | 116 | 32 |
| Omeprazole | 111 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-20
- Last updated
- 2024-05-03
- Certified
- 2024-05-03
Frequently asked questions
- What is Philip Zimmermann's NPI number?
- Philip Zimmermann's National Provider Identifier (NPI) is 1477783801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Zimmermann's specialty?
- Philip Zimmermann is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Zimmermann located?
- Philip Zimmermann's practice location on file with NPPES is 4510 Deerwood Dr, Madison, WI 53716-1830.
- What is Philip Zimmermann's phone number?
- The practice phone number listed in the NPPES registry for Philip Zimmermann is (608) 236-4284.
- Is Philip Zimmermann's NPI active?
- Yes — Philip Zimmermann's NPI (1477783801) is active in the NPPES registry as of the last update on 2024-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.