Dr. John Daniel Grigas, MD
- Medicare services, 2019
- 97
- Part D claims, 2017
- 78
- Industry payments
- $863
- Medical group
- 1
- Insurance carriers
- 6
- Practice address
- 800 Prudential Dr, Jacksonville, FL 32207-8202
- Practice phone
- Call (904) 202-2963
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Grigas' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Daniel Grigas is a pulmonologist in Jacksonville, Florida
Dr. Grigas practices with Respiratory Critical Care and Sleep Medicine Assoc., a medical group.
Dr. Grigas' NPI, 1457339772, was assigned on January 6, 2006. Dr. Grigas graduated from University Of Florida College Of Medicine in 1977. Dr. Grigas holds Florida license ME0034374.
- NPI
- 1457339772NPI Registry (opens in a new tab)
- NPI enumeration date
- January 6, 2006
- NPI status
- Active
- Practice phone
- (904) 202-2963
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Daniel Grigas' practice address is in Jacksonville, Florida
Dr. Grigas' practice address in the NPI Registry is 800 Prudential Dr, Jacksonville, FL 32207-8202. The practice phone is (904) 202-2963.
- NPI Registry address800 Prudential Dr, Jacksonville, FL 32207-8202Phone(904) 202-2963
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Daniel Grigas is affiliated with 1 medical group
Dr. Grigas is part of Respiratory Critical Care and Sleep Medicine Assoc., a medical group in Jacksonville, Florida.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Daniel Grigas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grigas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Respiratory Critical Care and Sleep Medicine Assoc. | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Respiratory Critical Care and Sleep Medicine Assoc. and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Daniel Grigas is one of 934 pulmonologists in Florida
Pulmonary disease is Dr. Grigas' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Grigas is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Grigas' licenses on file in 3 states: Florida, West Virginia and Virginia.
Specialties and state licenses
- Pulmonary disease, FloridaPrimary
- West Virginia license
- Virginia license
Pulmonologists near Dr. Grigas
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Daniel Grigas billed Medicare for 97 services in 2019
CMS data shows 97 Medicare services from Dr. Grigas across 3 procedure codes in 2019. Medicare paid $8,118 for them.
Dr. Grigas' Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 3212019: 6879%
- Other services
- 2018: 612019: 2952%
Where Dr. Grigas' Medicare services took place, 2019
- In an office2930%
- In a facility6870%
Dr. Grigas compared with the Florida median for pulmonologists, 2019
- Dr. Grigas
- Florida median
- Medicare services
- 97vs 1,00290% below
- Part D claims
- 78vs 63788% below
Medians across 895 pulmonologists in Florida with Dmand AI profiles that report each measure.
Dr. Grigas' most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grigas?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grigas and other pulmonologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Daniel Grigas' patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Grigas' median patient age at 62, with 43% women.
Dr. Grigas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. John Daniel Grigas wrote 78 Medicare Part D claims in 2017
In 2017, Dr. Grigas wrote 78 Medicare Part D claims. They cover 3 drugs, with $35,087 in total drug cost. In 2016, CMS named 409 claims across 12 drugs.
Dr. Grigas' most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 4092017: 7881%
Drugs named by CMS: 3 in 2017, 12 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Daniel Grigas received $863 in industry payments from 2016 to 2018
CMS Open Payments shows 55 general payments to Dr. Grigas from 16 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Respiratory Technologies, Inc. paid the most, $143.
General payments to Dr. Grigas by program year, 2016 to 2018
Companies that paid Dr. Grigas the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Daniel Grigas has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grigas, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Grigas
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. John Daniel Grigas graduated from University Of Florida College Of Medicine
Dr. Grigas graduated from University Of Florida College Of Medicine in 1977.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. John Daniel Grigas accepts plans from 6 insurance carriers
Dr. Grigas is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- GA State Medicaid
Plan types Dr. Grigas accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Daniel Grigas's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Daniel Grigas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Daniel Grigas' NPI number?
Dr. John Daniel Grigas' NPI number is 1457339772. It was assigned on January 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Daniel Grigas?
Dr. John Daniel Grigas is a pulmonologist in Jacksonville, Florida. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. John Daniel Grigas practice?
Dr. Grigas practices at 800 Prudential Dr, Jacksonville, FL 32207-8202. Dr. Grigas' primary practice is Respiratory Critical Care and Sleep Medicine Assoc., a medical group.
What is Dr. John Daniel Grigas' office phone number?
The practice phone on file for Dr. Grigas is (904) 202-2963.
What is Dr. John Daniel Grigas' medical license number?
Dr. Grigas holds Florida license ME0034374, one of the licenses on file in 3 states.
Which states has Dr. John Daniel Grigas been licensed in?
Dmand AI has state licenses on file for Dr. Grigas in Florida (1979 to 2026), West Virginia (since 1981) and Virginia (2017 to 2026).
What medical group is Dr. John Daniel Grigas part of?
Dr. Grigas is part of Respiratory Critical Care and Sleep Medicine Assoc. in Jacksonville, Florida.
Does Dr. John Daniel Grigas accept Medicare?
Yes. CMS data shows Dr. Grigas billed Medicare for 97 services in 2019.
Is Dr. John Daniel Grigas board certified?
Yes. Dr. Grigas is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. John Daniel Grigas bill to Medicare?
In 2019, Dr. Grigas' most billed Medicare services were nerve and brain test (95810), nerve and brain test (95811) and medicare service (G0399).
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Where did Dr. John Daniel Grigas go to medical school?
Dr. Grigas graduated from University Of Florida College Of Medicine in 1977.
What drugs does Dr. John Daniel Grigas prescribe most?
In 2017 Medicare Part D data, Dr. Grigas' most prescribed drugs by claims were Spiriva Respimat, Symbicort and Advair Hfa.
Has Dr. John Daniel Grigas received payments from drug or device companies?
CMS Open Payments shows $863 in general payments to Dr. Grigas from 16 companies from 2016 to 2018. The largest total came from Respiratory Technologies, Inc.
How long has Dr. John Daniel Grigas been practicing?
Dr. Grigas graduated from medical school in 1977, 49 years ago.
What insurance does Dr. John Daniel Grigas accept?
Dr. Grigas is in network with 6 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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