DR. DIEP D NGUYEN DO
NPI 1417140468
Internal Medicine - Endocrinology, Diabetes & Metabolism in Allentown, PA

Active since August 23, 2007PECOS Enrolled
3435 WINCHESTER RD, ALLENTOWN, PA 18104(610) 861-8080 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Mar 7, 2023, Feb 14, 2022 (2 updates tracked since 2022).

About Dr. Diep D Nguyen Do NPPES

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

DR. DIEP D NGUYEN DO (NPI 1417140468) is an individual endocrinology, diabetes & metabolism provider in Allentown, Pennsylvania, licensed in Pennsylvania (OS015018) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with St Luke's Hospital Bethlehem, and maintains a secondary practice location in Allentown.

NPPES Registry Identity

NPI1417140468
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. DIEP D NGUYENCredential: DO
Location Address3435 WINCHESTER RDAllentown, PA 18104-2268
Mailing AddressPo Box 783311Philadelphia, PA 19178-3311 · (484) 884-4500
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2006
Enumeration DateAugust 23, 2007
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 14, 2022
NPI 1417140468 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 · OS015018
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.
3435 WINCHESTER RD, Allentown, PA 18104

Other Names 1

Former Name (1)Diep H Dinh Do

Secondary Practice Location 1

Location 11243 S Cedar Crest Blvd Ste 2800Allentown, PA 18103-6230 · Phone (610) 402-6790 · Fax (610) 402-6979

Other Identifiers 1

OtherOS015018PA · Pa

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 (PECOS)

Dr. Diep D Nguyen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325162647
PECOS Enrollment IDI20100824000225
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 13

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
1,800 services19 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.
445 services273 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.
115 services59 patients
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.
90 services34 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
50 services23 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
31 services31 patients

Hospital Affiliations CMS Care Compare 3

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

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390049
Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County
Emergency services Birthing friendly

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

Lehigh Valley Hospital - Pocono

Acute Care Hospitals · East Stroudsburg, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390201
Location206 East Brown StreetEast Stroudsburg, PA 18301 · Monroe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18104 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 7

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
5 suppliers49 claims634 services$18.20 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
6 suppliers49 claims1,630 services$2.34 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
33 suppliers98 claims335 services$5.65 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
20 suppliers46 claims71 services$1.01 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers15 claims15 services$292.19 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
6 suppliers16 claims2,100 services$7.04 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 3

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

Nurse Practitioner (Gerontology)
3435 WINCHESTER RD
ALLENTOWN, PA 18104
Occupational Therapist
3435 WINCHESTER RD
ALLENTOWN, PA 18104
Nurse Practitioner (Family)
3435 WINCHESTER RD
ALLENTOWN, PA 18104

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 Diep Nguyen's NPI number?

The NPI number for Diep Nguyen is 1417140468. It was assigned to this individual provider in the NPPES registry on August 23, 2007. The provider is also known as Diep H Dinh Do.

Where is Diep Nguyen located?

Diep Nguyen practices at 3435 Winchester Rd, Allentown, PA 18104. The listed phone number is (610) 861-8080.

What is Diep Nguyen's specialty?

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

Is Diep Nguyen enrolled in Medicare?

Yes. Diep Nguyen is registered in the Medicare PECOS enrollment system.

What insurance does Diep Nguyen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Diep Nguyen 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 Diep Nguyen affiliated with any hospitals?

According to CMS data, Diep Nguyen is affiliated with St Luke's Hospital Bethlehem, Lehigh Valley Hospital and Lehigh Valley Hospital - Pocono.

When was this NPI record last updated?

The NPPES record for Diep Nguyen was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.