GARY F MARKLIN M.D.
NPI 1396733416
Internal Medicine - Pulmonary Disease in Saint Louis, MO

NPI Status: Active since October 12, 2005

Contact Information

12700 SOUTHFORK RD
SAINT LOUIS, MO
ZIP 63128
Phone: (314) 892-6565
Fax: (314) 892-4828

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  • Individual
  • Male
  • Internal Medicine
  • Pulmonary Disease

About GARY MARKLIN

This page provides the complete NPI Profile along with additional information for Gary Marklin, an internist established in Saint Louis, Missouri with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1396733416 assigned on October 2005. The practitioner's primary taxonomy code is 207RP1001X with license number R3D74 (MO). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1396733416
Provider Name
GARY F MARKLIN M.D.
Gender
Male
Entity Type
Individual
Location Address
12700 SOUTHFORK RD SAINT LOUIS, MO 63128
Location Phone
(314) 892-6565
Location Fax
(314) 892-4828
Mailing Address
12700 SOUTHFORK RD SAINT LOUIS, MO 63128
Mailing Phone
(314) 892-6565
Mailing Fax
(314) 892-4828
Is Sole Proprietor?
No
Enumeration Date
10-12-2005
Last Update Date
03-14-2017
Code Navigator

An internist like Gary Marklin is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine Pulmonary Disease

Taxonomy Code
207RP1001X
Type
Allopathic & Osteopathic Physicians
License No.
R3D74
License State
MO
Taxonomy Description
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

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)
1207RC0200XAllopathic & Osteopathic Physicians

Internal Medicine
Critical Care Medicine

R3D74 (MO)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A02142MEDICARE UPIN (02)MO 
202165106MEDICAID (05)MO 

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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 1396733416, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
6
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 9 → 18 → 9 7 → 14 → 5 3 → 6 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 1 + 4 + 3 + 6 + 4 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1396733416.

Other Providers at the Same Location


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

Ophthalmology
12700 SOUTHFORK RD, STE 205
SAINT LOUIS, MO 63128
Internal Medicine
12700 SOUTHFORK RD, SUITE 290
SAINT LOUIS, MO 63128
Internal Medicine
12700 SOUTHFORK RD, STE. 280
SAINT LOUIS, MO 63128
Internal Medicine (Geriatric Medicine)
12700 SOUTHFORK RD, SUITE 105
SAINT LOUIS, MO 63128
Internal Medicine (Geriatric Medicine)
12700 SOUTHFORK RD, SUITE 105
SAINT LOUIS, MO 63128
Clinic/Center (Ambulatory Surgical)
12700 SOUTHFORK RD
SAINT LOUIS, MO 63128
Nurse Practitioner
12700 SOUTHFORK RD, SUITE 220
SAINT LOUIS, MO 63128
Internal Medicine (Endocrinology, Diabetes & Metabolism)
12700 SOUTHFORK RD, STE 215
SAINT LOUIS, MO 63128
Nurse Practitioner (Pediatrics)
12700 SOUTHFORK RD, STE 140
SAINT LOUIS, MO 63128
Obstetrics & Gynecology (Gynecology)
12700 SOUTHFORK RD, STE 255
SAINT LOUIS, MO 63128
Nurse Practitioner (Adult Health)
12700 SOUTHFORK RD, SUITE 105
SAINT LOUIS, MO 63128
General Practice
12700 SOUTHFORK RD, STE. 255
SAINT LOUIS, MO 63128
Surgery
12700 SOUTHFORK RD, SUITE 255
SAINT LOUIS, MO 63128
Audiologist
12700 SOUTHFORK RD, SUITE 255
SAINT LOUIS, MO 63128
Audiologist
12700 SOUTHFORK RD, SUITE 255
SAINT LOUIS, MO 63128
Nursing Facility/Intermediate Care Facility
12700 SOUTHFORK RD, SUITE 105
SAINT LOUIS, MO 63128
Pediatrics
12700 SOUTHFORK RD, STE 215
SAINT LOUIS, MO 63128
Internal Medicine (Pulmonary Disease)
12700 SOUTHFORK RD
SAINT LOUIS, MO 63128
Internal Medicine (Pulmonary Disease)
12700 SOUTHFORK RD
SAINT LOUIS, MO 63128
Nurse Practitioner (Acute Care)
12700 SOUTHFORK RD
SAINT LOUIS, MO 63128

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396733416, enumerated as an "individual" on October 12, 2005.

The provider is located at 12700 SOUTHFORK RD SAINT LOUIS, MO 63128 and the phone number is (314) 892-6565.

Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.