Doctor profile · Federal record

Dr. Philip Zimmermann, M.D.

Internal Medicine Physician · Hospitalist Physician · Madison, WI

  • NPI 1477783801
  • 17 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4510 Deerwood Dr
Madison, WI 537161830
(608) 236-4284
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
May 3, 2024
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #55123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477783801. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
738
Distinct HCPCS
9
Medicare allowed
$38,460
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 321 213 $85
36415 Insertion of needle into vein for collection of blood sample 289 139 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 35 33 $121
81001 Manual urinalysis test with examination using microscope, automated 24 20 $3
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 17 17 $75
G0008 Administration of influenza virus vaccine 17 17 $29
0124A Adm sarscv2 bvl 30mcg/.3ml a 12 12 $39
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $102
99442 Telephone medical discussion with physician, 11-20 minutes 11 11 $85

In context: peer comparison

Among 76 peers in Madison Internal Medicine Physician, average services per provider: 80. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,747
Patients
703
Total drug cost
$190,769
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 383 92 $5,534
Losartan Potassium Generic 254 74 $3,525
Amlodipine Besylate Generic 226 57 $2,495
Gabapentin Generic 221 48 $4,137
Levothyroxine Sodium Generic 219 43 $3,463
Omeprazole Generic 192 46 $2,542
Eliquis (Apixaban) Brand 189 33 $154,948
Lisinopril Generic 188 66 $2,075
Carvedilol Generic 164 41 $2,525
Furosemide Generic 146 29 $1,037

Frequently asked questions

Auto-generated from federal data
What is Dr. Philip Zimmermann's medical specialty?
Dr. Philip Zimmermann practices Internal Medicine Physician in Madison, WI.
Where does Dr. Philip Zimmermann practice?
Dr. Philip Zimmermann practices at 4510 Deerwood Dr, Madison, WI 537161830. Office phone: 6082364284.
What is Dr. Philip Zimmermann's NPI?
Dr. Philip Zimmermann's National Provider Identifier (NPI) is 1477783801, issued by NPPES.
What procedures does Dr. Philip Zimmermann commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.