DR. PETER GARRETT DO
NPI 1144858218
Psychiatry & Neurology - Addiction Psychiatry in Philadelphia, PA

NPI Status: Active since April 01, 2020

Contact Information

3900 WOODLAND AVE
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 823-5800

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Addiction Psychiatry
  • PECOS Enrolled

About PETER GARRETT

This page provides the complete NPI Profile along with additional information for Peter Garrett, a provider established in Philadelphia, Pennsylvania with a medical specialization in Psychiatry & Neurology, focusing in addiction psychiatry . The healthcare provider is registered in the NPI registry with number 1144858218 assigned on April 2020. The practitioner's primary taxonomy code is 2084P0802X with license number OT023742 (PA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1144858218
Provider Name
DR. PETER GARRETT DO
Gender
Male
Entity Type
Individual
Location Address
3900 WOODLAND AVE PHILADELPHIA, PA 19104
Location Phone
(215) 823-5800
Mailing Address
3900 WOODLAND AVE PHILADELPHIA, PA 19104
Mailing Phone
(215) 823-5800
Is Sole Proprietor?
Yes
Enumeration Date
04-01-2020
Last Update Date
05-28-2025
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Location Map

Secondary Locations

  • 3400 Spruce St
    Philadelphia, PA 19104
    (215) 662-4000

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

Psychiatry & Neurology Addiction Psychiatry

Taxonomy Code
2084P0802X
Type
Allopathic & Osteopathic Physicians
License No.
OT023742
License State
PA
Taxonomy Description
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

OS19013 (FL)

Medicare Participation & PECOS Enrollment Status

Peter Garrett is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1144858218, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
8
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 4 → 8 8 → 16 → 7 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 8 + 4 + 1 + 6 + 5 + 1 + 6 + 2 + 2 + 24 = 62

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1144858218.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Anesthetist, Certified Registered
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine (Geriatric Medicine)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Pharmacist
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Pharmacist
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Dietitian, Registered
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Nuclear Medicine (Nuclear Imaging & Therapy)
3900 WOODLAND AVE, NUCLEAR MEDICINE, PHILADELPHIA VA MEDICAL CENTER #115
PHILADELPHIA, PA 19104
Podiatrist (Foot Surgery)
3900 WOODLAND AVE, PODIATRY (112)
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE, PHILADELPHIA VA MEDICAL CENTER
PHILADELPHIA, PA 19104
Dietetic Technician, Registered
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Anesthesiology
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Nurse Practitioner (Family)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Registered Nurse (Diabetes Educator)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Emergency Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Nurse Practitioner (Adult Health)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Pharmacist (Pharmacotherapy)
3900 WOODLAND AVE, PHARMACY SERVICE #119
PHILADELPHIA, PA 19104
Pharmacist (Pharmacotherapy)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144858218, enumerated as an "individual" on April 01, 2020.

The provider is located at 3900 WOODLAND AVE PHILADELPHIA, PA 19104 and the phone number is (215) 823-5800.

Psychiatry & Neurology with taxonomy code 2084P0802X and a focus in Addiction Psychiatry.