Dr. Mark Alan Johnson, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 75
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 415 Woodline Dr, Spring, TX 77386
- Practice phone
- Call (281) 528-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Primary Care Specialists
Spring, Texas
Find Dr. Johnson'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 Alan Johnson is a general surgeon in Spring, Texas
Dr. Johnson practices at Primary Care Specialists in Spring, Texas.
Dr. Johnson's NPI, 1053334615, was assigned on July 25, 2006. Dr. Johnson graduated from Texas A&M College of Medicine - Bryan in 1990. Dr. Johnson holds Texas license J9115.
- NPI
- 1053334615NPI Registry (opens in a new tab)
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Practice phone
- (281) 528-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark Alan Johnson practices at Primary Care Specialists in Spring, Texas
Dr. Johnson's primary practice is Primary Care Specialists, at 415 Woodline Dr, Spring, TX 77386 in Montgomery County. The practice phone is (281) 528-4100.
- Primary Care Specialists415 Woodline Dr, Spring, TX 77386 · Montgomery CountyPhone(281) 528-4100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Alan Johnson is affiliated with 6 sites of care
Dr. Johnson's primary practice is Primary Care Specialists in Spring, Texas. Dr. Johnson is also affiliated with Houston Methodist The Woodlands Hospital. Dmand AI also links Dr. Johnson to 3 more hospitals and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Alan Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Primary Care Specialists | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Alan Johnson is one of 1,939 general surgeons in Texas
Surgery is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Johnson is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Johnson's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Surgery, TexasPrimary
- Louisiana license
Clinical focus
Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, appendectomy, cancerous skin growth removal, gallbladder removal and groin hernia surgery among the conditions Dr. Johnson treats.
General surgeons near Dr. Johnson
Counts of general surgeons 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 Alan Johnson billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Johnson across 2 procedure codes in 2024, for 81 Medicare patients. Medicare paid $6,623 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 812024: 6026%
- Surgery
- 2023: 112024: 129%
Where Dr. Johnson's Medicare services took place, 2024
- In an office6083%
- In a facility1217%
Dr. Johnson compared with the Texas median for general surgeons, 2024
- Dr. Johnson
- Texas median
- Medicare services
- 72vs 11839% below
- Medicare patients
- 81vs 9716% below
- Part D claims
- 62vs 4248% above
Medians across 1,674 general surgeons in Texas 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.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other general surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Alan Johnson treated 81 Medicare patients in 2024, average age 74
CMS counts 81 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 69, with 43% women.
Dr. Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Johnson's Medicare patients by sex, 2024
- Women3138%
- Men5062%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Anxiety31%
- Mood disorders28%
- Depression27%
- Ischemic heart disease27%
- Diabetes23%
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 69
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Alan Johnson wrote 75 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 75 Medicare Part D claims for 67 patients. 100% of them were for generic drugs. CMS names the drug for 62 of them, across 1 drug with 11 or more claims each, at $560 in total drug cost. In 2023, CMS named 82 claims across 1 drug.
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
- Opioids91%68 of 75 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: 822024: 6224%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Mark Alan Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson in 2010.
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Alan Johnson received $8,022 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Johnson from 10 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $6,473.
General payments to Dr. Johnson by program year, 2016 to 2025
General payments to Dr. Johnson by kind, 2016 to 2025
- Travel and lodging$4,74859%
- Food and beverage$2,25928%
- Education$1,00012%
- Speaker and faculty fees$150%
Companies that paid Dr. Johnson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Alan Johnson has 1 award and honors on record
Dmand AI lists 1 award for Dr. Johnson.
Awards and honors for Dr. Johnson
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Mark Alan Johnson graduated from Texas A&M College of Medicine - Bryan
Dr. Johnson graduated from Texas A&M College of Medicine - Bryan in 1990. Dr. Johnson is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Mark Alan Johnson accepts plans from 20 insurance carriers
Dr. Johnson is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +12 more carriersWith a free account
Plan types Dr. Johnson accepts, by number of carriers
- PPO13
- HMO10
- Medicare10
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Alan 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Mark Alan 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 Alan Johnson's NPI number?
Dr. Mark Alan Johnson's NPI number is 1053334615. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Alan Johnson?
Dr. Mark Alan Johnson is a general surgeon in Spring, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark Alan Johnson practice?
Dr. Johnson practices at 415 Woodline Dr, Spring, TX 77386. Dr. Johnson's primary practice is Primary Care Specialists in Spring, Texas. Dmand AI also links Dr. Johnson to 3 hospitals and 1 physician office.
What is Dr. Mark Alan Johnson's office phone number?
The practice phone on file for Dr. Johnson is (281) 528-4100.
What is Dr. Mark Alan Johnson's medical license number?
Dr. Johnson holds Texas license J9115, one of the licenses on file in 2 states.
Which states has Dr. Mark Alan Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Texas (1995 to 2027) and Louisiana (1991 to 1995).
Which hospitals is Dr. Mark Alan Johnson affiliated with?
Dr. Johnson is affiliated with Houston Methodist The Woodlands Hospital. Dmand AI links Dr. Johnson to 3 more hospitals.
Does Dr. Mark Alan Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 72 services in 2024.
How many Medicare patients does Dr. Mark Alan Johnson see?
CMS counts 81 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
Is Dr. Mark Alan Johnson board certified?
Yes. Dr. Johnson is board certified in surgery by the American Board of Surgery.
Show 7 more questionsShow fewer questions
What services does Dr. Mark Alan Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, new patient (99202) and surgery: digestive system (49650).
Where did Dr. Mark Alan Johnson go to medical school?
Dr. Johnson graduated from Texas A&M College of Medicine - Bryan in 1990.
What drugs does Dr. Mark Alan Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Mark Alan Johnson received payments from drug or device companies?
CMS Open Payments shows $8,022 in general payments to Dr. Johnson from 10 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark Alan Johnson been practicing?
Dr. Johnson graduated from medical school in 1990, 36 years ago.
Does Dr. Mark Alan Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
What insurance does Dr. Mark Alan Johnson accept?
Dr. Johnson is in network with 20 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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