GRETA TAMKUS
NPI 1881392074
Student in an Organized Health Care Education/Training Program in Saint Louis, MO

NPI Status: Active since February 17, 2023

Contact Information

4901 FOREST PARK AVE
SAINT LOUIS, MO
ZIP 63108
Phone: (314) 362-5060

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  • Individual
  • Female
  • Student in an Organized Health Care Educ...
  • PECOS Enrolled

About GRETA TAMKUS

This page provides the complete NPI Profile along with additional information for Greta Tamkus, a primary care provider established in Saint Louis, Missouri with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1881392074 assigned on February 2023. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1881392074
Provider Name
GRETA TAMKUS
Gender
Female
Entity Type
Individual
Location Address
4901 FOREST PARK AVE SAINT LOUIS, MO 63108
Location Phone
(314) 362-5060
Mailing Address
885 TIVERTON AVE LOS ANGELES, CA 90095
Mailing Phone
(310) 825-6373
Is Sole Proprietor?
Yes
Enumeration Date
02-17-2023
Last Update Date
12-06-2023
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A primary care provider (PCP) like Greta Tamkus sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Medicare Participation & PECOS Enrollment Status

Greta Tamkus 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 1881392074, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
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 8 → 16 → 7 3 → 6 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 6 + 9 + 4 + 0 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881392074.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Clinical Medical Laboratory
4901 FOREST PARK AVE, MAILSTOP 90-57-587
SAINT LOUIS, MO 63108
Pathology (Anatomic Pathology & Clinical Pathology)
4901 FOREST PARK AVE, 6TH FLOOR
SAINT LOUIS, MO 63108
Pediatrics
4901 FOREST PARK AVE
SAINT LOUIS, MO 63108
Surgery (Surgical Critical Care)
4901 FOREST PARK AVE, STE 420
SAINT LOUIS, MO 63108
Nurse Practitioner (Family)
4901 FOREST PARK AVE, STE 341
SAINT LOUIS, MO 63108
Nurse Practitioner (Women's Health)
4901 FOREST PARK AVE, STE 341
SAINT LOUIS, MO 63108
Internal Medicine
4901 FOREST PARK AVE, WOHL CLINIC STE 241
SAINT LOUIS, MO 63108
General Practice
4901 FOREST PARK AVE, WOHL CLINIC STE 241
SAINT LOUIS, MO 63108
Nurse Practitioner (Acute Care)
4901 FOREST PARK AVE
SAINT LOUIS, MO 63108
Obstetrics & Gynecology
4901 FOREST PARK AVE, STE 710
SAINT LOUIS, MO 63108
Emergency Medicine
4901 FOREST PARK AVE, BARNES-JEWISH HOSPITAL GRADUATE OF MEDICAL EDUCATION
SAINT LOUIS, MO 63108
Internal Medicine (Gastroenterology)
4901 FOREST PARK AVE, STE 2
SAINT LOUIS, MO 63108
Psychologist
4901 FOREST PARK AVE, DEPT PSYCHIATRY, STE 441
SAINT LOUIS, MO 63108
Internal Medicine
4901 FOREST PARK AVE, STE 241
SAINT LOUIS, MO 63108
Obstetrics & Gynecology
4901 FOREST PARK AVE, DIV OBGYN MFM / ULTRASOUND, STE 710
SAINT LOUIS, MO 63108
Advanced Practice Midwife
4901 FOREST PARK AVE, DEPT OBGYN, STE 341
SAINT LOUIS, MO 63108
Nurse Practitioner (Women's Health)
4901 FOREST PARK AVE, DIV OBGYN FAMILY PLANNING, STE 710
SAINT LOUIS, MO 63108
Obstetrics & Gynecology
4901 FOREST PARK AVE, DEPT OBGYN, STE 710
SAINT LOUIS, MO 63108
Dermatology
4901 FOREST PARK AVE, DIV IM DERMATOLOGY, STE 502
SAINT LOUIS, MO 63108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881392074, enumerated as an "individual" on February 17, 2023.

The provider is located at 4901 FOREST PARK AVE SAINT LOUIS, MO 63108 and the phone number is (314) 362-5060.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.