Doctor profile · Federal record
Dr. William Zillweger, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pittsburgh, PA
- NPI 1285607002
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
9104 Babcock Blvd, Suite 3111
Pittsburgh, PA 152375818
(412) 366-2950
fax (412) 366-2775
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- January 12, 2011
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #054995L
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285607002. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
284
Distinct HCPCS
7
Medicare allowed
$36,436
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 35 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 36 | $122 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 50 | 46 | $175 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 42 | 28 | $147 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 39 | 21 | $102 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 13 | $171 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 15 | 11 | $147 |
In context: peer comparison
Among 189 peers in Pittsburgh Internal Medicine Physician, average services per provider: 86. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$14
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tactile Systems Technology INC | 1 | $13.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,769
Patients
478
Total drug cost
$186,775
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 300 | 56 | $3,729 |
| Eliquis (Apixaban) | Brand | 249 | 32 | $102,420 |
| Lisinopril | Generic | 229 | 46 | $1,636 |
| Furosemide | Generic | 222 | 49 | $1,587 |
| Metoprolol Succinate | Generic | 202 | 42 | $3,774 |
| Amlodipine Besylate | Generic | 200 | 44 | $1,192 |
| Atorvastatin Calcium | Generic | 192 | 42 | $2,433 |
| Sertraline Hcl | Generic | 183 | 23 | $1,693 |
| Losartan Potassium | Generic | 155 | 30 | $2,399 |
| Mirtazapine | Generic | 155 | 28 | $4,007 |
Frequently asked questions
What is Dr. William Zillweger's medical specialty?
Dr. William Zillweger practices Internal Medicine Physician in Pittsburgh, PA.
Where does Dr. William Zillweger practice?
Dr. William Zillweger practices at 9104 Babcock Blvd, Pittsburgh, PA 152375818. Office phone: 4123662950.
What is Dr. William Zillweger's NPI?
Dr. William Zillweger's National Provider Identifier (NPI) is 1285607002, issued by NPPES.
Does Dr. William Zillweger accept Medicare assignment?
Yes. Dr. William Zillweger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Zillweger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.