Doctor profile · Federal record
Dr. Gretchen Perilli, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Allentown, PA
- NPI 1043306343
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1243 S Cedar Crest Blvd, Suite 2800
Allentown, PA 181036268
(610) 402-6790 - Mailing address
-
Po Box 783311
Philadelphia, PA 191783311
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 1, 2016
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Pennsylvania #MD422829
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043306343. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
494
Distinct HCPCS
6
Medicare allowed
$43,112
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 184 | 120 | $121 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 128 | 49 | $74 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 94 | 48 | $33 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 49 | 45 | $125 | |
83036 |
Hemoglobin a1c level | 28 | 26 | $9 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $162 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 78. This provider delivers 6.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
831
Patients
196
Total drug cost
$456,311
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 221 | 69 | $3,880 |
| Synthroid (Levothyroxine Sodium) | Brand | 89 | 24 | $6,094 |
| Ozempic (Semaglutide) | Brand | 76 | 18 | $139,186 |
| Metformin Hcl | Generic | 73 | 21 | $1,436 |
| Atorvastatin Calcium | Generic | 64 | 20 | $1,022 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 46 | 18 | $4,857 |
| Tresiba Flextouch U-100 (Insulin Degludec) | Brand | 38 | 0 | $42,463 |
| Lisinopril | Generic | 35 | 12 | $263 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 31 | 0 | $638 |
| Novolog (Insulin Aspart) | Brand | 29 | 0 | $58,255 |
Frequently asked questions
What is Dr. Gretchen Perilli's medical specialty?
Dr. Gretchen Perilli practices Endocrinology, Diabetes & Metabolism Physician in Allentown, PA.
Where does Dr. Gretchen Perilli practice?
Dr. Gretchen Perilli practices at 1243 S Cedar Crest Blvd, Allentown, PA 181036268. Office phone: 6104026790.
What is Dr. Gretchen Perilli's NPI?
Dr. Gretchen Perilli's National Provider Identifier (NPI) is 1043306343, issued by NPPES.
Does Dr. Gretchen Perilli accept Medicare assignment?
Yes. Dr. Gretchen Perilli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Perilli commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.