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Dr. Lenworth N. Johnson, MD
NPI1225086655
- Medicare services, 2016
- 142
- Part D claims, 2016
- 11
- Publications
- 18
- Industry payments
- $27
- State licenses
- 2
- Practice address
- 1 Hoppin St, Providence, RI 02903-4141
- Practice phone
- Call (401) 444-6551
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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. Lenworth N. Johnson is an ophthalmologist in Providence, Rhode Island
Dr. Johnson practices in Providence, Rhode Island.
Dr. Johnson's NPI, 1225086655, was assigned on May 5, 2006. Dr. Johnson holds Rhode Island license MD14426.
NPI and contact details
- NPI
- 1225086655NPI Registry (opens in a new tab)
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Practice phone
- (401) 444-6551
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Lenworth N. Johnson's practice address is in Providence, Rhode Island
Dr. Johnson's practice address in the NPI Registry is 1 Hoppin St, Providence, RI 02903-4141. The practice phone is (401) 444-6551.
- NPI Registry address1 Hoppin St, Providence, RI 02903-4141Phone(401) 444-6551
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Lenworth N. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Johnson's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lenworth N. Johnson is one of 50 ophthalmologists in Rhode Island
Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Johnson's licenses on file in 2 states: Rhode Island and Missouri.
Specialties and state licenses
- Ophthalmology, Rhode IslandPrimary
- Missouri license
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. Lenworth N. Johnson billed Medicare for 142 services in 2016
CMS data shows 142 Medicare services from Dr. Johnson across 4 procedure codes in 2016. Medicare paid $7,373 for them. Every service was in an office.
Medicare services, 2016142
Paid by Medicare$7,373
Procedure codes4
Dr. Johnson's Medicare services by type, 2016
- Tests and treatments113
- Office and hospital visits29
Dr. Johnson compared with the Rhode Island median for ophthalmologists, 2016
- Dr. Johnson
- Rhode Island median
- Medicare services
- 142vs 95985% below
- Part D claims
- 11vs 48398% below
Medians across 51 ophthalmologists in Rhode Island with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2016
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 ophthalmologists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lenworth N. Johnson wrote 11 Medicare Part D claims in 2016
In 2016, Dr. Johnson wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $27 in total drug cost.
Part D claims, 201611
Drugs named by CMS1
Total drug cost$27
Dr. Johnson's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Lenworth N. Johnson has 18 publications on record
Dmand AI links 18 papers to Dr. Johnson, published from 2011 to 2022. 2016 was the busiest year, with 3. The most frequent topics are Visual Acuity, Arteritis and Nerve Fibers. Dr. Johnson has published most often in Alzheimers Dement (Amst). Dr. Johnson's most frequent co-authors are Steven Belknap, MD, Faith Anne Jaffe Birnbaum, MD and Jonathan Drake, MD.
Papers18
Years published2011 to 2022
Dr. Johnson's papers by year, 2011 to 2022
Topics Dr. Johnson writes about most
- Visual Acuity
- Arteritis
- Nerve Fibers
- Optic Neuropathy, Ischemic
- Retinal Ganglion Cells
- Tomography, Optical Coherence
- Visual Fields
- Glucocorticoids
Dr. Johnson's most frequent co-authors
- Steven Belknap, MD1 shared paper
- Faith Anne Jaffe Birnbaum, MD1 shared paper
- Jonathan Drake, MD1 shared paper
Recent publications by Dr. Johnson
Multiple SclerosisOptic NeuritisRetinitis
Cerebral Amyloid AngiopathyCerebral HemorrhageMagnetic Resonance Imaging
Alzheimers Dement (Amst)
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.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lenworth N. Johnson received $27 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2017. Entertainment make up the largest share, 100% of the total. Optos, Inc. paid the most, $27.
Companies that paid Dr. Johnson the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lenworth N. 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 |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| 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. Lenworth N. 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. Lenworth N. Johnson's NPI number?
Dr. Lenworth N. Johnson's NPI number is 1225086655. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lenworth N. Johnson?
Dr. Lenworth N. Johnson is an ophthalmologist in Providence, Rhode Island. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Lenworth N. Johnson practice?
Dr. Johnson practices at 1 Hoppin St, Providence, RI 02903-4141.
What is Dr. Lenworth N. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (401) 444-6551. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Lenworth N. Johnson's email address?
Dmand AI checks professional and personal email addresses for Dr. Johnson through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Lenworth N. Johnson's medical license number?
Dr. Johnson holds Rhode Island license MD14426, one of the licenses on file in 2 states.
Which states has Dr. Lenworth N. Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in Rhode Island and Missouri.
Does Dr. Lenworth N. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 142 services in 2016.
What services does Dr. Lenworth N. Johnson bill to Medicare?
In 2016, Dr. Johnson's most billed Medicare services were eye exam or test (92083), eye exam or test (92133) and office visit, new patient (99204).
What drugs does Dr. Lenworth N. Johnson prescribe most?
In 2016 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Topiramate.
Show 5 more questionsShow fewer questions
Has Dr. Lenworth N. Johnson received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Johnson from 1 company from 2017 to 2017. The largest total came from Optos, Inc.
How long has Dr. Lenworth N. Johnson been practicing?
Dr. Johnson's NPI was assigned in 2006.
Does Dr. Lenworth N. Johnson do research?
Dmand AI links 18 publications to Dr. Johnson, published from 2011 to 2022.
Who does Dr. Lenworth N. Johnson publish with?
Dr. Johnson's most frequent co-authors are Steven Belknap, MD (1 shared paper), Faith Anne Jaffe Birnbaum, MD (1 shared paper) and Jonathan Drake, MD (1 shared paper).
What EHR does Dr. Lenworth N. Johnson's practice use?
Dmand AI tracks the EHR system at Dr. Johnson's practice. The vendor and product are available with a free Dmand AI account.
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