DIANE C. MADFES M.D.
NPI 1942366547
Specialist in New York, NY

NPI Status: Active since December 28, 2006

Contact Information

1 E 69TH ST
NEW YORK, NY
ZIP 10021
Phone: (212) 249-8118
Fax: (212) 249-8884

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  • Individual
  • Female
  • Years of Experience 34
  • Specialist
  • May Accept Medicare Approved Payment
  • PECOS Enrolled
  • Opted-Out Medicare
  • CLIA Number: 33D1081473
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-17-2028

About DIANE MADFES

This page provides the complete NPI Profile along with additional information for Diane Madfes, a provider established in New York, New York with a medical specialization in Specialist and more than 34 years of experience. She graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1992. The healthcare provider is registered in the NPI registry with number 1942366547 assigned on December 2006. The practitioner's primary taxonomy code is 174400000X with license number 198602 (NY). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1942366547
Provider Name
DIANE C. MADFES M.D.
Gender
Female
Entity Type
Individual
Location Address
1 E 69TH ST NEW YORK, NY 10021
Location Phone
(212) 249-8118
Location Fax
(212) 249-8884
Mailing Address
97 BROOKSIDE DR GREENWICH, CT 06831
Mailing Phone
(203) 862-9407
Medical School Name
ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduation Year
1992
Is Sole Proprietor?
No
Enumeration Date
12-28-2006
Last Update Date
07-08-2007
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The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Diane Madfes opted out of Medicare effective on 12-18-2015 until 12-18-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare but is permitted to order and refer services to other healthcare providers.

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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
198602
License State
NY
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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)
1174400000XOther Service Providers

Specialist

039343 (CT)

Medicare Participation & PECOS Enrollment Status

Diane Madfes is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Diane Madfes 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

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 12-18-2015

  • Opt-Out End Date: 12-18-2027

  • Eligible to Order and Refer? Yes

  • PECOS PAC ID: 5193913747

    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: I20101223000038

    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? Maybe

    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.

  • 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

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D1081473
Facility Type
Physician Office
Certificate Effective Date
March 18, 2026
Certificate Expiration Date
March 17, 2028
Laboratory Director
DIANE MADFES
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Diane Madfes to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1942366547, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 3 → 6 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 6 + 6 + 1 + 2 + 5 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1942366547.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

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1 E 69TH ST
NEW YORK, NY 10021
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NEW YORK, NY 10021
Dermatology
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Dermatology
1 E 69TH ST
NEW YORK, NY 10021
Dermatology
1 E 69TH ST
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942366547, enumerated as an "individual" on December 28, 2006.

The provider is located at 1 E 69TH ST NEW YORK, NY 10021 and the phone number is (212) 249-8118.

Specialist with taxonomy code 174400000X.