MYHANH J NGUYEN MD
NPI 1518034826
Internal Medicine in Portsmouth, NH

Q: What is Myhanh Nguyen's NPI number?

The NPI number for Myhanh Nguyen is 1518034826. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Q: What is Myhanh Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: Is Myhanh Nguyen enrolled in Medicare?

No. Myhanh Nguyen has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Myhanh 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.

Active since November 29, 2006Opted out of Medicare · through Jan 1, 2027

333 BORTHWICK AVE, PORTSMOUTH, NH 03801(603) 463-5110 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 7, 2023, Dec 3, 2020, Aug 18, 2020 and 3 more (6 updates tracked since 2018).

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About Myhanh J Nguyen Md NPPES

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

MYHANH J NGUYEN MD (NPI 1518034826) is an individual internal medicine provider in Portsmouth, New Hampshire, licensed in New Hampshire (13553) and active in the NPI registry since November 2006. She has opted out of Medicare through January 1, 2027 and remains eligible to order and refer and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1518034826

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMYHANH J NGUYENCredential: MD

Location Address333 BORTHWICK AVEPortsmouth, NH 03801

Mailing Address90 Swiftwater RdWoodsville, NH 03785-1421 · (603) 436-5110

Phone(603) 463-5110

Sole ProprietorNo

Enumeration DateNovember 29, 2006

Last NPPES UpdateMarch 7, 20236 updates tracked since enumeration

NPPES CertifiedDecember 3, 2020

✔ NPI 1518034826 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NH · 13553

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedHospitalistTaxonomy 208M00000X · License 13553 (NH), MD23141 (ME)

333 BORTHWICK AVE, Portsmouth, NH 03801

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Secondary Practice Locations 2

Location 1789 Central Ave, Level 2Dover, NH 03820-2526 · Phone (603) 740-2503 · Fax (603) 740-2497

Location 2333 Borthwick AvePortsmouth, NH 03801 · Phone (603) 463-5110

Other Identifiers 3

Medicaid1518034826ME

OtherP00673146NH · Rr Medicare

Medicaid3074815NH

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Myhanh J Nguyen Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2025 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2025

Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims

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.

34 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03801 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

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.

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.

DR. JOHN PAUL GENS JR. MD

Surgery

333 BORTHWICK AVE, SUITE 305
PORTSMOUTH, NH 03801

Rockingham County (603) 433-6994

YOO NA CHUN MD

Student in an Organized Health Care Education/Training Program