HARRY G NAZARIO DIAZ
NPI 1396310678
Student in an Organized Health Care Education/Training Program in Fresno, CA

NPI Status: Active since May 20, 2021

Contact Information

1303 E HERNDON AVE
FRESNO, CA
ZIP 93720
Phone: (559) 450-3000

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  • Individual
  • Male
  • Years of Experience 3
  • Student in an Organized Health Care Educ...
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About HARRY NAZARIO DIAZ

This page provides the complete NPI Profile along with additional information for Harry Nazario Diaz, a primary care provider established in Fresno, California with a medical specialization in Student In An Organized Health Care Education/training Program and more than 3 years of experience. He graduated from Ponce School Of Medicine in 2023. The healthcare provider is registered in the NPI registry with number 1396310678 assigned on May 2021. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1396310678
Provider Name
HARRY G NAZARIO DIAZ
Gender
Male
Entity Type
Individual
Location Address
1303 E HERNDON AVE FRESNO, CA 93720
Location Phone
(559) 450-3000
Mailing Address
5655 N MILLBROOK AVE FRESNO, CA 93710
Mailing Phone
(787) 646-6307
Medical School Name
PONCE SCHOOL OF MEDICINE
Graduation Year
2023
Is Sole Proprietor?
No
Enumeration Date
05-20-2021
Last Update Date
06-17-2025
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A primary care provider (PCP) like Harry Nazario Diaz 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

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

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.

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)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

A200218 (CA)

Medicare Participation & PECOS Enrollment Status

Harry Nazario Diaz 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.

Harry Nazario Diaz 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

  • PECOS PAC ID: 1759894264

    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: I20250627003360

    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

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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 1396310678, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

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 + 6 + 1 + 0 + 6 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1396310678.

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

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1303 E HERNDON AVE
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1303 E HERNDON AVE
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Anesthesiology
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396310678, enumerated as an "individual" on May 20, 2021.

The provider is located at 1303 E HERNDON AVE FRESNO, CA 93720 and the phone number is (559) 450-3000.

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