PETERSON NGUYEN PMHNP-BC, CRNA
NPI 1619479797
Nurse Practitioner - Psychiatric/Mental Health in Baltimore, MD
NPI Status: Active since March 05, 2018
Contact Information
22 S GREENE ST FL 11
BALTIMORE, MD
ZIP 21201
Phone: (667) 214-1616
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Years of Experience 9
- Nurse Practitioner
- Psychiatric/Mental Health
- Accepts Medicare Approved Payment
About PETERSON NGUYEN
This page provides the complete NPI Profile along with additional information for Peterson Nguyen, a provider established in Baltimore, Maryland with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health and more than 9 years of experience. The healthcare provider is registered in the NPI registry with number 1619479797 assigned on March 2018. The practitioner's primary taxonomy code is 363LP0808X with license number R217862 (MD). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1619479797
- Provider Name
- PETERSON NGUYEN PMHNP-BC, CRNA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 22 S GREENE ST FL 11 BALTIMORE, MD 21201
- Location Phone
- (667) 214-1616
- Mailing Address
- 22 S GREENE ST FL 11 BALTIMORE, MD 21201
- Mailing Phone
- (667) 214-1616
- Medical School Name
- OTHER
- Graduation Year
- 2018
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-05-2018
- Last Update Date
- 06-17-2026
- Code Navigator
A nurse practitioner (NP) like Peterson Nguyen is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Nurse Practitioner Psychiatric/Mental Health
- Taxonomy Code
- 363LP0808X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- R217862
- License State
- MD
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 363LA2200X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | R217862 (MD) |
| 2 | 367500000X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Anesthetist, Certified Registered | R217862 (MD) |
Medicare Participation & PECOS Enrollment Status
Peterson Nguyen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
PECOS PAC ID: 1557618048
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20180910000351
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
Anesthesia for other procedure on large bowel using an endoscope
Anesthesia for procedure on small and large bowel using an endoscope
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
This service was performed 11 times for 11 patientsAnesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
This service was performed 12 times for 12 patientsFind Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Peterson Nguyen is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| NORTHWEST HOSPITAL CENTER | 5401 OLD COURT ROAD RANDALLSTOWN, MD 21133 | (410) 521-2200 | Acute Care Hospitals | |
| UMD REHABILITATION & ORTHOPAEDIC INSTITUTE | 2200 KERNAN DRIVE BALTIMORE, MD 21207 | (410) 448-6701 | Acute Care Hospitals |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1619479797, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 83. The final step is to find the difference between that total and the next multiple of ten (90 - 83 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 83 is 90. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
BALTIMORE, MD 21201
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1619479797, enumerated as an "individual" on March 05, 2018.
The provider is located at 22 S GREENE ST FL 11 BALTIMORE, MD 21201 and the phone number is (667) 214-1616.
Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.
Peterson Nguyen is affiliated with: NORTHWEST HOSPITAL CENTER and UMD REHABILITATION & ORTHOPAEDIC INSTITUTE.