GRETCHEN PERILLI MD
NPI 1043306343
Internal Medicine - Endocrinology, Diabetes & Metabolism in Allentown, PA

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
1243 S CEDAR CREST BLVD, SUITE 2800, ALLENTOWN, PA 18103(610) 402-6790 Get Directions Write a Review

NPPES record last updated: March 1, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 1, 2016, Nov 18, 2015 (2 updates tracked since 2015).

About Gretchen Perilli Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRETCHEN PERILLI MD (NPI 1043306343) is an individual endocrinology, diabetes & metabolism provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD422829) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2001).

NPPES Registry Identity

NPI1043306343
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameGRETCHEN PERILLICredential: MD
Location Address1243 S CEDAR CREST BLVD, SUITE 2800Allentown, PA 18103-6268
Mailing AddressPo Box 783311Philadelphia, PA 19178-3311 · (484) 884-4500 · Fax (484) 884-0699
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2001
Enumeration DateOctober 5, 2006
Last NPPES UpdateMarch 1, 20162 updates tracked since enumeration
NPI 1043306343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in PA · MD422829
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1243 S CEDAR CREST BLVD, Allentown, PA 18103

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gretchen Perilli Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305856451
PECOS Enrollment IDI20060504000212
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
229 services93 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
223 services130 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
131 services55 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
85 services83 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
19 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lehigh Valley Hospital

Acute Care Hospitals · Allentown, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390133
Location1200 South Cedar Crest BoulevardAllentown, PA 18103 · Lehigh County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
6 suppliers86 claims1,141 services$18.38 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
6 suppliers83 claims2,850 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
21 suppliers54 claims229 services$6.22 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers16 claims42 services$1.14 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers50 claims50 services$313.82 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
23 suppliers63 claims9,440 services$7.30 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Endocrinology, Diabetes & Metabolism)
1243 S CEDAR CREST BLVD, SUITE 2800
ALLENTOWN, PA 18103
Nurse Practitioner (Family)
1243 S CEDAR CREST BLVD, STE 2800
ALLENTOWN, PA 18103
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1243 S CEDAR CREST BLVD, SUITE 2800
ALLENTOWN, PA 18103
Nurse Practitioner (Family)
1243 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Family Medicine (Obesity Medicine)
1243 S CEDAR CREST BLVD, SUITE 2300
ALLENTOWN, PA 18103
Dietitian, Registered
1243 S CEDAR CREST BLVD, SUITE 300
ALLENTOWN, PA 18103
Dietitian, Registered
1243 S CEDAR CREST BLVD
ALLENTOWN, PA 18103
Plastic Surgery
1243 S CEDAR CREST BLVD, SUITE 301
ALLENTOWN, PA 18103

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gretchen Perilli's NPI number?

The NPI number for Gretchen Perilli is 1043306343. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Gretchen Perilli located?

Gretchen Perilli practices at 1243 S Cedar Crest Blvd Suite 2800, Allentown, PA 18103. The listed phone number is (610) 402-6790.

What is Gretchen Perilli's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Gretchen Perilli enrolled in Medicare?

Yes. Gretchen Perilli is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gretchen Perilli accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Gretchen Perilli as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gretchen Perilli affiliated with any hospitals?

According to CMS data, Gretchen Perilli is affiliated with Lehigh Valley Hospital.

When was this NPI record last updated?

The NPPES record for Gretchen Perilli was last updated on March 1, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.