Dr. Mark John Granada, MD
- Medicare services, 2018
- 80
- Part D claims, 2021
- 246
- Industry payments
- $885
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 9109 Middleford Rd, Seaford, DE 19973
- Practice phone
- Call (302) 629-9483
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mark John Granada
Multi-specialty group site · Seaford, Delaware
Find Dr. Granada's 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. Mark John Granada is a pulmonologist in New Castle, Delaware
Dr. Granada practices at Mark John Granada in Seaford, Delaware.
Dr. Granada's NPI, 1275696718, was assigned on December 18, 2006. Dr. Granada holds Delaware license CI0001675.
- NPI
- 1275696718NPI Registry (opens in a new tab)
- NPI enumeration date
- December 18, 2006
- NPI status
- Active
- Practice phone
- (302) 629-9483
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark John Granada practices in Seaford and New Castle
Dr. Granada's primary practice is Mark John Granada, at 9109 Middleford Rd, Seaford, DE 19973. The practice phone is (302) 629-9483. The NPI Registry lists Dr. Granada's practice address as 61 Corporate Cir, New Castle, DE 19720.
- Mark John GranadaPrimary9109 Middleford Rd, Seaford, DE 19973Phone(302) 629-9483
- NPI Registry address61 Corporate Cir, New Castle, DE 19720 · New Castle CountyPhone(302) 629-9483
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mark John Granada is affiliated with 1 site of care and 1 medical group
Dr. Granada's primary practice is Mark John Granada in Seaford, Delaware. Dmand AI also links Dr. Granada to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark John Granada's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Granada practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mark John Granada | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark John Granada is one of 44 pulmonologists in Delaware
Pulmonary disease is Dr. Granada's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Granada is licensed in Delaware.
Specialties and state licenses
- Pulmonary disease, DelawarePrimary
Pulmonologists near Dr. Granada
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. Mark John Granada billed Medicare for 80 services in 2018
CMS data shows 80 Medicare services from Dr. Granada across 1 procedure code in 2018, all of them office visits. Medicare paid $1,801 for them. Every service was in an office.
Dr. Granada's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 7712018: 8090%
Dr. Granada compared with the Delaware median for pulmonologists, 2018
- Dr. Granada
- Delaware median
- Medicare services
- 80vs 92091% below
- Part D claims
- 246vs 61960% below
Medians across 41 pulmonologists in Delaware with Dmand AI profiles that report each measure.
Dr. Granada's most billed Medicare procedure codes, 2018
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. Granada?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Granada and other pulmonologists in Delaware.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark John Granada's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Granada's median patient age at 62, with 50% women.
Dr. Granada's 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
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Mark John Granada wrote 246 Medicare Part D claims in 2021
In 2021, Dr. Granada wrote 246 Medicare Part D claims. They cover 13 drugs, with $10,541 in total drug cost. In 2020, CMS named 2,117 claims across 64 drugs.
Dr. Granada's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 2,1172021: 24688%
Drugs named by CMS: 13 in 2021, 64 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Mark John Granada received $885 in industry payments from 2016 to 2019
CMS Open Payments shows 24 general payments to Dr. Granada from 7 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $448.
General payments to Dr. Granada by program year, 2016 to 2019
Companies that paid Dr. Granada the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark John Granada'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Mark John Granada
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. Mark John Granada's NPI number?
Dr. Mark John Granada's NPI number is 1275696718. It was assigned on December 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark John Granada?
Dr. Mark John Granada is a pulmonologist in New Castle, Delaware. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Mark John Granada practice?
Dr. Granada practices at 9109 Middleford Rd, Seaford, DE 19973. Dr. Granada also practices at 61 Corporate Cir, New Castle, DE 19720. Dr. Granada's primary practice is Mark John Granada in Seaford, Delaware. Dmand AI also links Dr. Granada to 1 medical group.
What is Dr. Mark John Granada's office phone number?
The practice phone on file for Dr. Granada is (302) 629-9483.
What is Dr. Mark John Granada's medical license number?
Dr. Granada holds Delaware license CI0001675.
Does Dr. Mark John Granada accept Medicare?
Yes. CMS data shows Dr. Granada billed Medicare for 80 services in 2018.
What services does Dr. Mark John Granada bill to Medicare?
In 2018, Dr. Granada's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Mark John Granada prescribe most?
In 2021 Medicare Part D data, Dr. Granada's most prescribed drugs by claims were Levothyroxine Sodium, Levetiracetam and Omeprazole.
Has Dr. Mark John Granada received payments from drug or device companies?
CMS Open Payments shows $885 in general payments to Dr. Granada from 7 companies from 2016 to 2019. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mark John Granada been practicing?
Dr. Granada's NPI was assigned in 2006.
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