DR. MARSHALL STANLEY FLAM M.D.
NPI 1891789004
Internal Medicine - Hematology & Oncology in Fresno, CA

NPI Status: Active since September 01, 2005

Contact Information

7130 N MILLBROOK AVE
SUITE 100
FRESNO, CA
ZIP 93720
Phone: (559) 447-4949
Fax: (559) 447-4925

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About MARSHALL FLAM

This page provides the complete NPI Profile along with additional information for Marshall Flam, an internist established in Fresno, California with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1891789004 assigned on September 2005. The practitioner's primary taxonomy code is 207RH0003X with license number G20870 (CA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1891789004
Provider Name
DR. MARSHALL STANLEY FLAM M.D.
Gender
Male
Entity Type
Individual
Location Address
7130 N MILLBROOK AVE SUITE 100 FRESNO, CA 93720
Location Phone
(559) 447-4949
Location Fax
(559) 447-4925
Mailing Address
7130 N MILLBROOK AVE SUITE 100 FRESNO, CA 93720
Mailing Phone
(559) 447-4949
Mailing Fax
(559) 447-4925
Is Sole Proprietor?
No
Enumeration Date
09-01-2005
Last Update Date
02-25-2010
Code Navigator

An internist like Marshall Flam 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.

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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

Internal Medicine Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
G20870
License State
CA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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
ZZZ75882ZMEDICARE ID-TYPE UNSPECIFIED (04) 
A41098MEDICARE UPIN (02) 
ZZZ75882ZMEDICAID (05)CA 

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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 1891789004, 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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 4 + 8 + 1 + 8 + 0 + 0 + 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 1891789004.

Other Providers at the Same Location


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

Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE, SUITE 100
FRESNO, CA 93720
Radiology (Radiation Oncology)
7130 N MILLBROOK AVE, #112
FRESNO, CA 93720
Clinic/Center (Oncology, Radiation)
7130 N MILLBROOK AVE, SUITE 112
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE, SUITE 100
FRESNO, CA 93720
Radiology (Radiation Oncology)
7130 N MILLBROOK AVE, STE.112
FRESNO, CA 93720
Radiology (Radiation Oncology)
7130 N MILLBROOK AVE, SUITE 112
FRESNO, CA 93720
Specialist
7130 N MILLBROOK AVE
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Nurse Practitioner (Family)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Nurse Practitioner
7130 N MILLBROOK AVE
FRESNO, CA 93720
Social Worker (Clinical)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Internal Medicine (Hematology & Oncology)
7130 N MILLBROOK AVE, SUITE 100
FRESNO, CA 93720
Pharmacy (Specialty Pharmacy)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Non-Pharmacy Dispensing Site
7130 N MILLBROOK AVE
FRESNO, CA 93720
Nurse Practitioner (Family)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Surgery (Plastic and Reconstructive Surgery)
7130 N MILLBROOK AVE
FRESNO, CA 93720
Nurse Practitioner (Family)
7130 N MILLBROOK AVE
FRESNO, CA 93720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891789004, enumerated as an "individual" on September 01, 2005.

The provider is located at 7130 N MILLBROOK AVE SUITE 100 FRESNO, CA 93720 and the phone number is (559) 447-4949.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

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