Doctor profile · Federal record
Dr. Douglas Marx, D.O.
Family Medicine Physician (CMS: Family Practice) · Germantown, WI
- NPI 1326011321
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
W168N11237 Western Ave
Germantown, WI 530223239
(262) 253-5060
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 3, 2014
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Wisconsin #40581
- Medicaid
- WV #30096200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326011321. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17,288
Distinct HCPCS
10
Medicare allowed
$800,810
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0008 |
Administration of influenza virus vaccine | 5,894 | 5,829 | $14 | |
90662 |
Influenza vaccine split virus, preservative free | 5,314 | 5,266 | $57 | |
91322 |
Sarscov2 vac 50 mcg/0.5ml im | 1,813 | 1,813 | $142 | |
90480 |
Admn sarscov2 vacc 1 dose | 1,810 | 1,810 | $39 | |
91312 |
Sarscov2 vac bvl 30mcg/0.3ml | 724 | 724 | $0 | |
0124A |
Adm sarscv2 bvl 30mcg/.3ml a | 701 | 701 | $39 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 579 | 562 | $20 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 211 | 151 | $121 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 108 | 108 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 36 | $85 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 811. This provider delivers 21× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,922
Patients
878
Total drug cost
$44,872
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 406 | 121 | $6,030 |
| Lisinopril | Generic | 271 | 85 | $2,388 |
| Pravastatin Sodium | Generic | 268 | 77 | $4,416 |
| Levothyroxine Sodium | Generic | 258 | 73 | $4,929 |
| Amlodipine Besylate | Generic | 225 | 75 | $1,922 |
| Simvastatin | Generic | 212 | 72 | $2,098 |
| Metoprolol Succinate | Generic | 206 | 53 | $5,227 |
| Losartan Potassium | Generic | 193 | 56 | $2,938 |
| Omeprazole | Generic | 170 | 54 | $3,125 |
| Tamsulosin Hcl | Generic | 134 | 44 | $3,677 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Marx's medical specialty?
Dr. Douglas Marx practices Family Medicine Physician in Germantown, WI.
Where does Dr. Douglas Marx practice?
Dr. Douglas Marx practices at W168N11237 Western Ave, Germantown, WI 530223239. Office phone: 2622535060.
What is Dr. Douglas Marx's NPI?
Dr. Douglas Marx's National Provider Identifier (NPI) is 1326011321, issued by NPPES.
Does Dr. Douglas Marx accept Medicare assignment?
Yes. Dr. Douglas Marx accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Marx commonly perform?
Top Medicare-reported procedures in 2023: Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662); Sarscov2 vac 50 mcg/0.5ml im (HCPCS 91322). Source: CMS Medicare Physician & Other Practitioners file.