DR. JOHN DANIEL GRIGAS MD
NPI 1457339772
Internal Medicine - Pulmonary Disease in Jacksonville, FL

NPI Status: Active since January 06, 2006

Contact Information

800 PRUDENTIAL DR
4TH FLOOR MAIN NORTH
JACKSONVILLE, FL
ZIP 32207
Phone: (904) 202-2963
Fax: (904) 202-4225

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  • Individual
  • Male
  • Internal Medicine
  • Pulmonary Disease
  • Accepts Insurance
  • PECOS Enrolled

About JOHN GRIGAS

This page provides the complete NPI Profile along with additional information for John Grigas, an internist established in Jacksonville, Florida with a medical specialization in Internal Medicine, focusing in pulmonary disease . The healthcare provider is registered in the NPI registry with number 1457339772 assigned on January 2006. The practitioner's primary taxonomy code is 207RP1001X with license number ME0034374 (FL). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1457339772
Provider Name
DR. JOHN DANIEL GRIGAS MD
Gender
Male
Entity Type
Individual
Location Address
800 PRUDENTIAL DR 4TH FLOOR MAIN NORTH JACKSONVILLE, FL 32207
Location Phone
(904) 202-2963
Location Fax
(904) 202-4225
Mailing Address
800 PRUDENTIAL DR 4TH FLOOR MAIN NORTH JACKSONVILLE, FL 32207
Mailing Phone
(904) 202-2963
Mailing Fax
(904) 202-4225
Is Sole Proprietor?
No
Enumeration Date
01-06-2006
Last Update Date
07-08-2007
Code Navigator

An internist like John Grigas 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.
ME0034374
License State
FL
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.

Insurance Plans Accepted

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

  • AvMed Entrust Bronze 600 (2026) - HMO
  • AvMed Entrust Bronze 650 (2026) - HMO
  • AvMed Entrust Expanded Bronze Standard (2026) - HMO
  • AvMed Entrust Gold 125 (2026) - HMO
  • AvMed Entrust Gold 125 Dental+Vision (2026) - HMO
  • AvMed Entrust Gold Standard (2026) - HMO
  • AvMed Entrust Platinum 25 (2026) - HMO
  • AvMed Entrust Platinum 25 Dental+Vision (2026) - HMO
  • AvMed Entrust Platinum Standard (2026) - HMO
  • AvMed Entrust Silver 350 (2026) - HMO
  • BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) - PPO
  • BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-06 (Rewards) - PPO
  • BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - PPO
  • BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) - POS
  • BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-05 (Rewards) - POS
  • BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) - POS
  • BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-18 (Rewards) - POS
  • BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) - POS
  • BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - POS

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.

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
D56760MEDICARE UPIN (02)FL 
56099OTHER (01)FLBCBS OF FLORIDA
56099MEDICARE ID-TYPE UNSPECIFIED (04)FL 
4213732OTHER (01)FLAETNA

Medicare Participation & PECOS Enrollment Status

John Grigas 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

  • 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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE001N)

    Full face mask used with positive airway pressure device, each (HCPCS:A7030)

    4 DME suppliers used 11 Medicare Claims 11 Services Paid

  • DME-Other DME (DE001N)

    Face mask interface, replacement for full face mask, each (HCPCS:A7031)

    5 DME suppliers used 13 Medicare Claims 33 Services Paid

  • DME-Other DME (DE001N)

    Cushion for use on nasal mask interface, replacement only, each (HCPCS:A7032)

    3 DME suppliers used 31 Medicare Claims 173 Services Paid

  • DME-Other DME (DE001N)

    Pillow for use on nasal cannula type interface, replacement only, pair (HCPCS:A7033)

    3 DME suppliers used 21 Medicare Claims 115 Services Paid

  • DME-Other DME (DE001N)

    Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap (HCPCS:A7034)

    6 DME suppliers used 54 Medicare Claims 54 Services Paid

  • DME-Other DME (DE001N)

    Headgear used with positive airway pressure device (HCPCS:A7035)

    9 DME suppliers used 38 Medicare Claims 38 Services Paid

  • DME-Other DME (DE001N)

    Tubing used with positive airway pressure device (HCPCS:A7037)

    7 DME suppliers used 52 Medicare Claims 52 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    8 DME suppliers used 58 Medicare Claims 333 Services Paid

  • DME-Other DME (DE001N)

    Filter, non disposable, used with positive airway pressure device (HCPCS:A7039)

    4 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Other DME (DE001N)

    Water chamber for humidifier, used with positive airway pressure device, replacement, each (HCPCS:A7046)

    5 DME suppliers used 30 Medicare Claims 30 Services Paid

  • DME-Oxygen and Supplies (DC000N)

    Portable oxygen contents, gaseous, 1 month's supply = 1 unit (HCPCS:E0443)

    1 DME suppliers used 11 Medicare Claims 11 Services Paid

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 32207 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $130.04
  • Minimum New Patient Price $56
  • Maximum New Patient Price $171.84
  • Average New Patient Copayment $32.51
  • Minimum New Patient Copayment $14
  • Maximum New Patient Copayment $42.96

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $99.16
  • Minimum Established Patient Price $17.57
  • Maximum Established Patient Price $139.16
  • Average Established Patient Copayment $24.79
  • Minimum Established Patient Copayment $4.39
  • Maximum Established Patient Copayment $34.79

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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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 1457339772, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 5 → 10 → 1 3 → 6 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 6 + 3 + 1 + 8 + 7 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1457339772.

Other Providers at the Same Location


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

Emergency Medicine
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Anesthesiology
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pathology (Anatomic Pathology & Clinical Pathology)
800 PRUDENTIAL DR, BAPTIST MEDICAL CENTER-DOWNTOWN
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pediatrics (Pediatric Critical Care Medicine)
800 PRUDENTIAL DR, UFJP PEDIATRIC CRITICAL CARE
JACKSONVILLE, FL 32207
Nurse Practitioner (Pediatrics)
800 PRUDENTIAL DR, UFJP PEDIATRIC CRITICAL CARE MEDICINE
JACKSONVILLE, FL 32207
Pediatrics (Pediatric Critical Care Medicine)
800 PRUDENTIAL DR, UFJP PEDIATRIC CRITICAL CARE MEDICINE
JACKSONVILLE, FL 32207
Nurse Anesthetist, Certified Registered
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pediatrics (Pediatric Critical Care Medicine)
800 PRUDENTIAL DR, UFJP PEDIATRIC CRITICAL CARE MEDICINE
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR, SUITE 713
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR, EMERGENCY RESOURCES GROUP
JACKSONVILLE, FL 32207
Pathology (Anatomic Pathology & Clinical Pathology)
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pathology (Anatomic Pathology & Clinical Pathology)
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR, EMERGENCY RESOURCES GROUP
JACKSONVILLE, FL 32207
Nurse Anesthetist, Certified Registered
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pathology (Anatomic Pathology)
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Pathology (Anatomic Pathology & Clinical Pathology)
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207
Emergency Medicine
800 PRUDENTIAL DR
JACKSONVILLE, FL 32207

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457339772, enumerated as an "individual" on January 06, 2006.

The provider is located at 800 PRUDENTIAL DR 4TH FLOOR MAIN NORTH JACKSONVILLE, FL 32207 and the phone number is (904) 202-2963.

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

The provider might be accepting Accepts: AvMed, Florida Blue (BlueCross BlueShield FL),. Please consult your insurance carrier or call the provider to verify.