Dr. Gianh Nguyen Portnoy is a Okemos, Michigan based Dentist who is specialized in
General Practice Dentistry. She does not accept the Medicare-approved amount. Patients will be billed for the treatment. Active license number of Dr. Gianh Nguyen Portnoy is
2901018167 for General Practice Dentistry in Michigan. Her current practice location is
1738 Hamilton Rd, Okemos. Patients can reach her at
517-349-3266.
Dr. Gianh Nguyen Portnoy is the primary dental care provider for patients of all ages. She is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Complete Profile:
Dr. Gianh Nguyen Portnoy speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Gianh Nguyen Portnoy |
| Specialization: | Dentist |
| Gender: | Female |
| Credentials: | DDS |
| Accepts Medicare Assignment: | No |
| Practice Address: | 1738 Hamilton Rd, Okemos,
Michigan, 48864-1811 |
| Phone: | 517-349-3266 |
| Fax: | 517-381-2457 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1336363993 |
| NPI Enumeration Date: | 12 Apr, 2007 |
| NPI Last Update On: | 08 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Gianh Nguyen Portnoy are as mentioned below.
| License Number | Specialization | State | Status | |
| 2901018167 | General Practice Dentistry | Michigan | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Gianh Nguyen Portnoy such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 1316952732 | Other | Michigan | PORTNOY AND TU DDS PC |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 2345 Indian Hills Dr,
Okemos, Michigan |
| Zip: | 48864-2016 |
| Phone Number: | 517-381-5043 |
Patients can reach Dr. Gianh Nguyen Portnoy at
1738 Hamilton Rd, Okemos, Michigan or can
call to book an appointment on 517-349-3266.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
08 December, 2025.