DR. HAI-YEN NGUYEN MD
NPI 1376770370
Obstetrics & Gynecology in Allentown, PA

Q: What is Hai-yen Nguyen's NPI number?

The NPI number for Hai-yen Nguyen is 1376770370. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Q: What is Hai-yen Nguyen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Hai-yen Nguyen was last updated on October 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since June 17, 2009PECOS EnrolledAccepts Medicare Assignment

1611 POND RD, SUITE 401, ALLENTOWN, PA 18104(610) 398-7700(610) 398-6917 Get Directions Write a Review

NPPES record last updated: October 21, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Hai-yen Nguyen Md NPPES

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

DR. HAI-YEN NGUYEN MD (NPI 1376770370) is an individual obstetrics & gynecology provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD449143) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2009).

NPPES Registry Identity

NPI1376770370

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. HAI-YEN NGUYENCredential: MD

Location Address1611 POND RD, SUITE 401Allentown, PA 18104-2258

Mailing AddressPo Box 1754Allentown, PA 18105-1754 · (484) 884-4500 · Fax (484) 884-0699

Phone(610) 398-7700

Fax(610) 398-6917

Sole ProprietorNo

Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2009

Enumeration DateJune 17, 2009

Last NPPES UpdateOctober 21, 2014

✔ NPI 1376770370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in PA · MD449143✔ Licensed in PA · MT195815

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1611 POND RD, Allentown, PA 18104

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hai-yen Nguyen 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 ID3779720636

PECOS Enrollment IDI20131021001297

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.

Medicare Billing Reassignments

Medicare enrollment records show Hai-yen Nguyen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lehigh Valley Physician Group

0.3 mi

Internal Medicine

1605 N CEDAR CREST BLVD, SUITE 110B
Allentown, PA 18104

Reassigned Medicare billing, Pennsylvania enrollment
2,895 clinicians in this Medicare group

NPI 1609010297 (610) 973-1410

Valley Health Partners Community Health Center

2.4 mi

Federally Qualified Health Center (FQHC)

400 N 17TH ST STE 300
Allentown, PA 18104

Reassigned Medicare billing, Pennsylvania enrollment
296 clinicians in this Medicare group

NPI 1912532888 (610) 969-4300

Hazleton Professional Services

32 mi

Internal Medicine

700 EAST BROAD STREET
Hazleton, PA 18201

Reassigned Medicare billing, Pennsylvania enrollment
305 clinicians in this Medicare group

NPI 1952464638 (570) 501-4584

Family Care Centers Inc

32 mi

Family Medicine

200 E BROWN ST
East Stroudsburg, PA 18301

Reassigned Medicare billing, Pennsylvania enrollment
500 clinicians in this Medicare group

NPI 1316409626 (570) 476-3700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

38 services38 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

33 services32 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

22 services20 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

16 services16 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 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

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KATHLEEN STRZEPEK CRNP

Nurse Practitioner (Obstetrics & Gynecology)

1611 POND RD, SUITE 401
ALLENTOWN, PA 18104

Lehigh County (610) 398-7700

M B VIECHNICKI, M.D. & ASSOCIATES

Obstetrics & Gynecology

1611 POND RD, SUITE 102
ALLENTOWN, PA 18104

Lehigh County (610) 366-7000

GYNECOLOGIC ONCOLOGY SERVICES, LLC

Clinic/Center (Medical Specialty)

1611 POND RD, SUITE 101
ALLENTOWN, PA 18104

Lehigh County (610) 366-8555

NEXTGEN ENDOSCOPY CENTRE LLC

Clinic/Center (Endoscopy)

1611 POND RD
ALLENTOWN, PA 18104

Lehigh County (610) 366-8555

LISA BAKER-VAUGHN MD

Obstetrics & Gynecology

1611 POND RD, SUITE 401
ALLENTOWN, PA 18104

Lehigh County (610) 398-7700

WOMEN'S HEALTH CONSULTANTS, LLC

Clinic/Center (Medical Specialty)

1611 POND RD, STE 101
ALLENTOWN, PA 18104

Lehigh County (610) 841-8001

COLLEEN A COOPER MD

Pediatrics (Adolescent Medicine)

1611 POND RD, SUITE 400
ALLENTOWN, PA 18104

Lehigh County (610) 395-4300

LISA S BUNIN MD

Ophthalmology

1611 POND RD, STE 403
ALLENTOWN, PA 18104

Lehigh County (610) 435-5333

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 Hai-yen Nguyen's NPI number?

The NPI number for Hai-yen Nguyen is 1376770370. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Hai-yen Nguyen located?

Hai-yen Nguyen practices at 1611 Pond Rd Suite 401, Allentown, PA 18104. The listed phone number is (610) 398-7700.

What is Hai-yen Nguyen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Hai-yen Nguyen enrolled in Medicare?

Yes. Hai-yen Nguyen 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.

Which organizations bill Medicare for Hai-yen Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hai-yen Nguyen reassigns Medicare benefits to 4 organizations: Lehigh Valley Physician Group (Allentown, PA), Valley Health Partners Community Health Center (Allentown, PA), Hazleton Professional Services (Hazleton, PA) and Family Care Centers Inc (East Stroudsburg, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hai-yen Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hai-yen Nguyen affiliated with any hospitals?

According to CMS data, Hai-yen Nguyen is affiliated with Lehigh Valley Hospital.

When was this NPI record last updated?

The NPPES record for Hai-yen Nguyen was last updated on October 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.