Doctor profile · Federal record
Dr. Gregg Hellwig
Emergency Medicine Physician (CMS: Emergency Medicine) · Allentown, PA
- NPI 1134331366
- Accepts Medicare
- MIPS 90.3 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Cedar Crest & I-78
Allentown, PA 181051556
(484) 862-3232
fax (484) 862-3250 - Mailing address
-
Po Box 783311
Philadelphia, PA 191783311
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- March 14, 2016
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Pennsylvania #MD430693
- Medicaid (2)
- PA #1018957760002 · NJ #0178811
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134331366. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
82
Distinct HCPCS
2
Medicare allowed
$11,629
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 46 | 42 | $117 | |
99285 |
Emergency department visit with high level of medical decision making | 36 | 36 | $173 |
In context: peer comparison
Among 66 peers in Allentown Emergency Medicine Physician, average services per provider: 82. This provider delivers 1.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gregg Hellwig's medical specialty?
Dr. Gregg Hellwig practices Emergency Medicine Physician in Allentown, PA.
Where does Dr. Gregg Hellwig practice?
Dr. Gregg Hellwig practices at Cedar Crest & I-78, Allentown, PA 181051556. Office phone: 4848623232.
What is Dr. Gregg Hellwig's NPI?
Dr. Gregg Hellwig's National Provider Identifier (NPI) is 1134331366, issued by NPPES.
Does Dr. Gregg Hellwig accept Medicare assignment?
Yes. Dr. Gregg Hellwig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Hellwig commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.