Doctor profile · Federal record
Dr. William Liaw, D.O.
Family Medicine Physician (CMS: Family Practice) · Macungie, PA
- NPI 1508825548
- Accepts Medicare
- MIPS 90.3 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3760 Brookside RD
Macungie, PA 180621741
(610) 628-7111
fax (610) 628-7180
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- December 6, 2017
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Pennsylvania #OS008821L
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508825548. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,090
Distinct HCPCS
10
Medicare allowed
$121,914
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 553 | 296 | $123 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 200 | 200 | $125 | |
G0008 |
Administration of influenza virus vaccine | 88 | 88 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 84 | 84 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 35 | $85 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 25 | 25 | $282 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 25 | 25 | $161 | |
G0009 |
Administration of pneumococcal vaccine | 24 | 24 | $29 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 14 | 14 | $161 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 11 | $174 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 85. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,107
Patients
886
Total drug cost
$41,709
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 371 | 108 | $6,140 |
| Amlodipine Besylate | Generic | 313 | 84 | $3,086 |
| Levothyroxine Sodium | Generic | 272 | 75 | $4,401 |
| Lisinopril | Generic | 234 | 75 | $2,194 |
| Simvastatin | Generic | 229 | 66 | $2,473 |
| Losartan Potassium | Generic | 215 | 58 | $3,138 |
| Omeprazole | Generic | 210 | 68 | $3,029 |
| Rosuvastatin Calcium | Generic | 183 | 60 | $2,989 |
| Gabapentin | Generic | 167 | 38 | $2,932 |
| Alprazolam | Generic | 166 | 38 | $1,274 |
Hospital affiliations
Frequently asked questions
What is Dr. William Liaw's medical specialty?
Dr. William Liaw practices Family Medicine Physician in Macungie, PA.
Where does Dr. William Liaw practice?
Dr. William Liaw practices at 3760 Brookside RD, Macungie, PA 180621741. Office phone: 6106287111.
What is Dr. William Liaw's NPI?
Dr. William Liaw's National Provider Identifier (NPI) is 1508825548, issued by NPPES.
Does Dr. William Liaw accept Medicare assignment?
Yes. Dr. William Liaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Liaw commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.