Dr. Mark Andrew Johnson, MD
- Medicare services, 2024
- 423
- Medicare patients, 2024
- 375
- Part D claims, 2024
- 751
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 200 Industrial Boulevard, Dublin, GA 31021
- Practice phone
- Call (478) 274-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Mark Andrew Johnson is an emergency medicine physician in Dublin, Georgia
Dr. Johnson practices at Fairview Park Hospital in Dublin, Georgia, part of HCA Healthcare.
Dr. Johnson's NPI, 1811375249, was assigned on May 18, 2015. Dr. Johnson graduated from Mercer University School of Medicine in 2015. Dr. Johnson holds Georgia license 80598.
- NPI
- 1811375249NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082921051
- NPI enumeration date
- May 18, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (478) 274-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Andrew Johnson practices at Fairview Park Hospital in Dublin, Georgia
Dr. Johnson's primary practice is Fairview Park Hospital, at 200 Industrial Boulevard, Dublin, GA 31021 in Laurens County. The practice phone is (478) 274-3100.
- Fairview Park Hospital200 Industrial Boulevard, Dublin, GA 31021 · Laurens CountyPhone(478) 274-3100
Source: Dmand AI Affiliation Data
Dr. Mark Andrew Johnson is affiliated with 4 sites of care and 2 medical groups
Dr. Johnson's primary practice is Fairview Park Hospital in Dublin, Georgia, part of HCA Healthcare. The medical group on file is ACS Primary Care Physicians - Southeast. Dmand AI also links Dr. Johnson to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Andrew Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fairview Park Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Andrew Johnson is one of 1,629 emergency medicine physicians in Georgia
Emergency medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnson is licensed in Georgia.
Specialties and state licenses
- Emergency medicine, GeorgiaPrimary
Emergency medicine physicians near Dr. Johnson
Counts of emergency medicine physicians 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 Andrew Johnson billed Medicare for 423 services in 2024
CMS data shows 423 Medicare services from Dr. Johnson across 3 procedure codes in 2024, for 375 Medicare patients. Medicare paid $49,126 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4212024: 423No change
Dr. Johnson compared with the Georgia median for emergency medicine physicians, 2024
- Dr. Johnson
- Georgia median
- Medicare services
- 423vs 29145% above
- Medicare patients
- 375vs 26144% above
- Part D claims
- 621vs 936.7 times
Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Andrew Johnson treated 375 Medicare patients in 2024, average age 74
CMS counts 375 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 130 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 47, with 59% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women22961%
- Men14639%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease52%
- Ischemic heart disease46%
- Diabetes43%
- Heart failure43%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Andrew Johnson wrote 751 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 751 Medicare Part D claims for 393 patients. 96% of them were for generic drugs. CMS names the drug for 621 of them, across 14 drugs with 11 or more claims each, at $6,069 in total drug cost. In 2023, CMS named 457 claims across 12 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic724 claims96%
- Brand-name27 claims4%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids8%61 of 751 claims
- Antibiotics21%161 of 751 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4572024: 62136%
Drugs named by CMS: 14 in 2024, 12 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mark Andrew Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Andrew Johnson graduated from Mercer University School of Medicine
Dr. Johnson graduated from Mercer University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Andrew Johnson'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Mark Andrew Johnson
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 Andrew Johnson's NPI number?
Dr. Mark Andrew Johnson's NPI number is 1811375249. It was assigned on May 18, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Andrew Johnson?
Dr. Mark Andrew Johnson is an emergency medicine physician in Dublin, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark Andrew Johnson practice?
Dr. Johnson practices at 200 Industrial Boulevard, Dublin, GA 31021. Dr. Johnson's primary practice is Fairview Park Hospital in Dublin, Georgia, part of HCA Healthcare. Dmand AI also links Dr. Johnson to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mark Andrew Johnson's office phone number?
The practice phone on file for Dr. Johnson is (478) 274-3100.
What is Dr. Mark Andrew Johnson's medical license number?
Dr. Johnson holds Georgia license 80598.
Which hospitals is Dr. Mark Andrew Johnson affiliated with?
Dr. Johnson practices at Fairview Park Hospital in Dublin, Georgia. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Mark Andrew Johnson part of?
Dr. Johnson is linked to ACS Primary Care Physicians - Southeast. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Mark Andrew Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 423 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Mark Andrew Johnson see?
CMS counts 375 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
What services does Dr. Mark Andrew Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
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Where did Dr. Mark Andrew Johnson go to medical school?
Dr. Johnson graduated from Mercer University School of Medicine in 2015.
What drugs does Dr. Mark Andrew Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Methocarbamol, Prednisone and Ketorolac Tromethamine.
How long has Dr. Mark Andrew Johnson been practicing?
Dr. Johnson graduated from medical school in 2015, 11 years ago.
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