DR. RONALD L HOFFMAN M.D.
NPI 1679695159
General Practice in New York, NY

NPI Status: Active since April 04, 2007

Contact Information

776 6TH AVE
SUITE 4B
NEW YORK, NY
ZIP 10001
Phone: (212) 779-1744
Fax: (212) 779-0891

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  • Individual
  • Male
  • General Practice
  • Opted-Out Medicare

About RONALD HOFFMAN

This page provides the complete NPI Profile along with additional information for Ronald Hoffman, a primary care provider established in New York, New York with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1679695159 assigned on April 2007. The practitioner's primary taxonomy code is 208D00000X with license number A158621-1 (NY). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1679695159
Provider Name
DR. RONALD L HOFFMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
776 6TH AVE SUITE 4B NEW YORK, NY 10001
Location Phone
(212) 779-1744
Location Fax
(212) 779-0891
Mailing Address
776 6TH AVE SUITE 4B NEW YORK, NY 10001
Mailing Phone
(212) 779-1744
Mailing Fax
(212) 779-0891
Is Sole Proprietor?
Yes
Enumeration Date
04-04-2007
Last Update Date
02-10-2015
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A primary care provider (PCP) like Ronald Hoffman 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 .

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. Ronald Hoffman opted out of Medicare effective on 04-01-2012 until 04-01-2026. 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 and cannot 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
License No.
A158621-1
License State
NY
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Medicare Participation & PECOS Enrollment Status

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.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 04-01-2012

  • Opt-Out End Date: 04-01-2026

  • Eligible to Order and Refer? No

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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 1679695159, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
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 7 → 14 → 5 6 → 12 → 3 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 2 + 9 + 1 + 0 + 1 + 1 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1679695159.

Other Providers at the Same Location


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

Internal Medicine
776 6TH AVE, SUITE 4B
NEW YORK, NY 10001
Dietitian, Registered
776 6TH AVE, SUITE 4B
NEW YORK, NY 10001
Dentist (General Practice)
776 6TH AVE
NEW YORK, NY 10001
Clinic/Center (Dental)
776 6TH AVE
NEW YORK, NY 10001
Clinic/Center (Dental)
776 6TH AVE
NEW YORK, NY 10001

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679695159, enumerated as an "individual" on April 04, 2007.

The provider is located at 776 6TH AVE SUITE 4B NEW YORK, NY 10001 and the phone number is (212) 779-1744.

General Practice with taxonomy code 208D00000X.