Dr. John Frederic Stamler, MD, PhD

  • Iowa City, IA
  • Ophthalmologist
NPI1720085509
Medicare services, 2017
528
Part D claims, 2019
17
Publications
1
Industry payments
$1,794
State license
1
Practice address
2629 Northgate Dr, Iowa City, IA 52245-9565
Practice phone
Call (319) 338-3623
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Stamler'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.

View contacts for free

Dr. John Frederic Stamler is an ophthalmologist in Iowa City, Iowa

Dr. Stamler practices in Iowa City, Iowa.

Dr. Stamler's NPI, 1720085509, was assigned on July 7, 2005. Dr. Stamler holds Iowa license 23678.

NPI and contact details
NPI enumeration date
July 7, 2005
NPI status
Active
Practice phone
(319) 338-3623
Professional email
Get email
Personal email
Get email
Mobile number
Get number

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

Dr. John Frederic Stamler's practice address is in Iowa City, Iowa

Dr. Stamler's practice address in the NPI Registry is 2629 Northgate Dr, Iowa City, IA 52245-9565. The practice phone is (319) 338-3623.

  • NPI Registry address
    2629 Northgate Dr, Iowa City, IA 52245-9565Phone(319) 338-3623

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

Dmand AI tracks the EHR system at Dr. John Frederic Stamler's practice

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

EHR by site
SiteEHR vendor and product
Dr. Stamler's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Stamler practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Frederic Stamler is one of 180 ophthalmologists in Iowa

Ophthalmology is Dr. Stamler's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Stamler is licensed in Iowa.

Specialties and state licenses

  • Ophthalmology, IowaPrimaryLicense 23678 · taxonomy 207W00000X

Ophthalmologists near Dr. Stamler

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. John Frederic Stamler billed Medicare for 528 services in 2017

CMS data shows 528 Medicare services from Dr. Stamler across 5 procedure codes in 2017. Medicare paid $33,682 for them. Every service was in an office.

Medicare services, 2017528
Paid by Medicare$33,682
Procedure codes5

Dr. Stamler's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Tests and treatments
2016: 6512017: 52819%
Office and hospital visits
2016: 132017: 0100%

Dr. Stamler compared with the Iowa median for ophthalmologists, 2017

  • Dr. Stamler
  • Iowa median
Medicare services
528vs 1,79271% below
Part D claims
17vs 39696% below

Medians across 183 ophthalmologists in Iowa with Dmand AI profiles that report each measure.

Dr. Stamler's most billed Medicare procedure codes, 2017

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. Stamler

Need commercial claims for Dr. Stamler?

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

Book a meeting

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

Dr. John Frederic Stamler wrote 17 Medicare Part D claims in 2019

In 2019, Dr. Stamler wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $97 in total drug cost. In 2018, CMS named 216 claims across 2 drugs.

Part D claims, 201917
Drugs named by CMS1
Total drug cost$97

Dr. Stamler's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 2162019: 1792%

Drugs named by CMS: 1 in 2019, 2 in 2018.

See all prescribing by Dr. Stamler

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

For MedTech and pharma teams

Find ophthalmologists like Dr. Stamler by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. John Frederic Stamler has 1 publication on record

Dmand AI links 1 paper to Dr. Stamler in 2012. Dr. Stamler's most frequent co-author is Michael Dean Wagoner, MD.

Papers1

Dr. Stamler's most frequent co-authors

Recent publications by Dr. Stamler

See all 1 publications and co-authors

See who Dr. Stamler researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stamler 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. John Frederic Stamler received $1,794 in industry payments from 2017 to 2022

CMS Open Payments shows 11 general payments to Dr. Stamler from 1 drug or device company from 2017 to 2022. Royalties and licenses make up the largest share, 73% of the total. Katena Products, Inc. paid the most, $1,794.

General payments to Dr. Stamler by program year, 2017 to 2022

General payments to Dr. Stamler by kind, 2017 to 2022

$1.8Kin total
  • Royalties and licenses$1,31373%
  • Honoraria$48027%

Companies that paid Dr. Stamler the most, 2017 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Stamler

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

Sources for Dr. John Frederic Stamler'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
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
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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)
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. John Frederic Stamler

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. John Frederic Stamler's NPI number?

Dr. John Frederic Stamler's NPI number is 1720085509. It was assigned on July 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. John Frederic Stamler?

Dr. John Frederic Stamler is an ophthalmologist in Iowa City, Iowa. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. John Frederic Stamler practice?

Dr. Stamler practices at 2629 Northgate Dr, Iowa City, IA 52245-9565.

What is Dr. John Frederic Stamler's office phone number?

The practice phone on file for Dr. Stamler is (319) 338-3623.

What is Dr. John Frederic Stamler's medical license number?

Dr. Stamler holds Iowa license 23678.

Does Dr. John Frederic Stamler accept Medicare?

Yes. CMS data shows Dr. Stamler billed Medicare for 528 services in 2017.

What services does Dr. John Frederic Stamler bill to Medicare?

In 2017, Dr. Stamler's most billed Medicare services were eye exam or test (92014), eye exam or test (92133) and eye exam or test (92083).

What drugs does Dr. John Frederic Stamler prescribe most?

In 2019 Medicare Part D data, Dr. Stamler's most prescribed drugs by claims were Timolol Maleate.

Has Dr. John Frederic Stamler received payments from drug or device companies?

CMS Open Payments shows $1,794 in general payments to Dr. Stamler from 1 company from 2017 to 2022. The largest total came from Katena Products, Inc.

How long has Dr. John Frederic Stamler been practicing?

Dr. Stamler's NPI was assigned in 2005.

Does Dr. John Frederic Stamler do research?

Dmand AI links 1 publication to Dr. Stamler.

Who does Dr. John Frederic Stamler publish with?

Dr. Stamler's most frequent co-authors are Michael Dean Wagoner, MD (1 shared paper).

Selling to ophthalmology practices?

See ophthalmologists in Iowa by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)