Dr. Daniel A. Johnson, MD

  • San Antonio, TX
  • Ophthalmologist
NPI1922115096PAC ID4082762299
Medicare services, 2024
787
Medicare patients, 2024
185
Part D claims, 2024
525
Publications
22
Hospital affiliations
2
Practice address
8300 Floyd Curl Dr, San Antonio, TX 78229
Practice phone
Call (210) 450-9030
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UT Health Medical Arts and Research Center

San Antonio, Texas

See all 4 affiliations

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Dr. Daniel A. Johnson is an ophthalmologist in San Antonio, Texas

Dr. Johnson practices at UT Health Medical Arts and Research Center in San Antonio, Texas.

Dr. Johnson's NPI, 1922115096, was assigned on August 24, 2006. Dr. Johnson graduated from Vagelos College of Physicians and Surgeons in 1991. Dr. Johnson holds Texas license L4988.

NPI and contact details
Medicare PAC ID
4082762299
NPI enumeration date
August 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(210) 450-9030
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Daniel A. Johnson practices at UT Health Medical Arts and Research Center in San Antonio, Texas

Dr. Johnson's primary practice is UT Health Medical Arts and Research Center, at 8300 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 450-9030.

  • UT Health Medical Arts and Research Center
    8300 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 450-9030

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Daniel A. Johnson is affiliated with 3 sites of care and 1 medical group

Dr. Johnson's primary practice is UT Health Medical Arts and Research Center in San Antonio, Texas. Dr. Johnson is also affiliated with University Hospital. The medical group on file is UT Health Physicians. Dmand AI also links Dr. Johnson to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Johnson

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. Daniel A. Johnson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UT Health Medical Arts and Research CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel A. Johnson is one of 1,311 ophthalmologists in Texas

Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnson is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Johnson's licenses on file in 3 states: Texas, North Carolina and Maryland.

Specialties and state licenses

  • Ophthalmology, TexasPrimaryLicense L4988 · 2002 to 2026 · taxonomy 207W00000X
  • North Carolina license2002 to 2005
  • Maryland license1995 to 2002

Clinical focus

Dmand AI lists age-related macular degeneration, cataract, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Johnson treats.

Ophthalmologists near Dr. Johnson

Counts of ophthalmologists 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. Daniel A. Johnson billed Medicare for 787 services in 2024

CMS data shows 787 Medicare services from Dr. Johnson across 11 procedure codes in 2024, for 185 Medicare patients. Medicare paid $46,398 for them. Every service was in an office.

Medicare services, 2024787
Medicare patients185
Paid by Medicare$46,398
Procedure codes11

Dr. Johnson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4032024: 46816%
Office and hospital visits
2023: 1202024: 14823%
Lab and pathology
2023: 1022024: 14643%
Surgery
2023: 02024: 25

Dr. Johnson compared with the Texas median for ophthalmologists, 2024

  • Dr. Johnson
  • Texas median
Medicare services
787vs 1,35342% below
Medicare patients
185vs 49262% below
Part D claims
464vs 61324% below

Medians across 1,290 ophthalmologists 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.

See all procedures by Dr. Johnson

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other ophthalmologists in Texas.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Daniel A. Johnson treated 185 Medicare patients in 2024, average age 74

CMS counts 185 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 73, with 72% women.

Medicare patients, 2024185
Average age74
Average risk score1.21
Also on Medicaid8%

Dr. Johnson's Medicare patients by age, 2024

Dr. Johnson's Medicare patients by sex, 2024

  • Women12769%
  • Men5831%

Chronic conditions among Dr. Johnson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Mood disorders25%
  5. Diabetes24%
  6. Ischemic heart disease24%
  7. Anxiety22%
  8. Osteoporosis22%

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 73

Patient panel by sex, all payers

  • Women72%
  • Men28%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel A. Johnson wrote 525 Medicare Part D claims in 2024

In 2024, Dr. Johnson wrote 525 Medicare Part D claims for 135 patients. 43% of them were for generic drugs. CMS names the drug for 464 of them, across 14 drugs with 11 or more claims each, at $218,626 in total drug cost. In 2023, CMS named 376 claims across 13 drugs.

Part D claims, 2024525
Drugs named by CMS14
Total drug cost$218,626
Part D patients135

Dr. Johnson's Part D claims by kind of drug, 2024

  • Generic228 claims43%
  • Brand-name297 claims57%

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3762024: 46423%

Drugs named by CMS: 14 in 2024, 13 in 2023.

See all prescribing by Dr. Johnson

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. Daniel A. 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. Daniel A. Johnson has 22 publications on record

Dmand AI links 22 papers to Dr. Johnson, published from 2014 to 2022. 2021 was the busiest year, with 4. The most frequent topics are Anti-Bacterial Agents, Glucocorticoids and Cornea. Dr. Johnson has published most often in Am J Ophthalmol. Dr. Johnson's most frequent co-authors are Ahmad Kheirkhah, MD, Mark Joseph Gallardo, MD and Jeong-Hyeon Sohn, MD.

Papers22
Years published2014 to 2022

Dr. Johnson's papers by year, 2014 to 2022

Topics Dr. Johnson writes about most

  • Anti-Bacterial Agents
  • Glucocorticoids
  • Cornea
  • Corneal Diseases
  • Cataract
  • Conjunctiva
  • Conjunctival Diseases
  • Conjunctivitis

Dr. Johnson's most frequent co-authors

Recent publications by Dr. Johnson

See all 22 publications and co-authors

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 ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Daniel A. Johnson received $4,095 in industry payments from 2016 to 2018

CMS Open Payments shows 5 general payments to Dr. Johnson from 3 drug and device companies from 2016 to 2018. Gifts make up the largest share, 94% of the total. Carl Zeiss Meditec, Inc. paid the most, $3,854.

General payments to Dr. Johnson by program year, 2016 to 2018

General payments to Dr. Johnson by kind, 2016 to 2018

$4.1Kin total
  • Gifts$3,85494%
  • Food and beverage$2416%

Companies that paid Dr. Johnson the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Johnson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Daniel A. Johnson has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Johnson, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Johnson

  1. 2013
    • CMS Stage 1 EHR
  2. 2012
    • AAO Fellow
  3. Undated
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Daniel A. Johnson graduated from Vagelos College of Physicians and Surgeons

Dr. Johnson graduated from Vagelos College of Physicians and Surgeons in 1991. Dr. Johnson is a member of AAO.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Daniel A. Johnson accepts plans from 21 insurance carriers

Dr. Johnson is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Johnson accepts, by number of carriers

  1. PPO13
  2. HMO12
  3. Medicare10
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel A. Johnson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Daniel A. 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. Daniel A. Johnson's NPI number?

Dr. Daniel A. Johnson's NPI number is 1922115096. It was assigned on August 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel A. Johnson?

Dr. Daniel A. Johnson is an ophthalmologist in San Antonio, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Daniel A. Johnson practice?

Dr. Johnson practices at 8300 Floyd Curl Dr, San Antonio, TX 78229. Dr. Johnson's primary practice is UT Health Medical Arts and Research Center in San Antonio, Texas. Dmand AI also links Dr. Johnson to 1 hospital.

What is Dr. Daniel A. Johnson's office phone number?

The practice phone on file for Dr. Johnson is (210) 450-9030.

What is Dr. Daniel A. Johnson's medical license number?

Dr. Johnson holds Texas license L4988, one of the licenses on file in 3 states.

Which states has Dr. Daniel A. Johnson been licensed in?

Dmand AI has state licenses on file for Dr. Johnson in Texas (2002 to 2026), North Carolina (2002 to 2005) and Maryland (1995 to 2002).

Which hospitals is Dr. Daniel A. Johnson affiliated with?

Dr. Johnson is affiliated with University Hospital. Dmand AI links Dr. Johnson to 1 more hospital.

What medical group is Dr. Daniel A. Johnson part of?

Dr. Johnson is linked to UT Health Physicians.

Does Dr. Daniel A. Johnson accept Medicare?

Yes. CMS data shows Dr. Johnson billed Medicare for 787 services in 2024, and Dr. Johnson accepts Medicare assignment.

How many Medicare patients does Dr. Daniel A. Johnson see?

CMS counts 185 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Daniel A. Johnson board certified?

Yes. Dr. Johnson is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Daniel A. Johnson bill to Medicare?

In 2024, Dr. Johnson's most billed Medicare services were eye exam or test (92014), office visit, established patient (99214) and lab and pathology test (83861).

Where did Dr. Daniel A. Johnson go to medical school?

Dr. Johnson graduated from Vagelos College of Physicians and Surgeons in 1991.

What drugs does Dr. Daniel A. Johnson prescribe most?

In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Restasis, Prednisolone Acetate and Cyclosporine.

Has Dr. Daniel A. Johnson received payments from drug or device companies?

CMS Open Payments shows $4,095 in general payments to Dr. Johnson from 3 companies from 2016 to 2018. The largest total came from Carl Zeiss Meditec, Inc.

How long has Dr. Daniel A. Johnson been practicing?

Dr. Johnson graduated from medical school in 1991, 35 years ago.

Does Dr. Daniel A. Johnson do research?

Dmand AI links 22 publications to Dr. Johnson, published from 2014 to 2022.

Who does Dr. Daniel A. Johnson publish with?

Dr. Johnson's most frequent co-authors are Ahmad Kheirkhah, MD (5 shared papers), Mark Joseph Gallardo, MD (4 shared papers) and Jeong-Hyeon Sohn, MD (4 shared papers).

What insurance does Dr. Daniel A. Johnson accept?

Dr. Johnson is in network with 21 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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