Dr. Matthew C. Ralstin, MD

  • Warsaw, IN
  • Ophthalmologist
NPI1104088731PAC ID1759569833
Medicare services, 2024
7,577
Medicare patients, 2026
929
Part D claims, 2026
1,083
MIPS score, 2026
90
Industry payments
$3,286
Practice address
2251 Dubois Dr, Warsaw, IN 46580
Practice phone
Call (574) 269-3777
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Grossnickle Eye Surgery Center

Surgery Center - Medicare-Certified · Warsaw, Indiana

See all 3 affiliations

Find Dr. Ralstin'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. Matthew C. Ralstin is an ophthalmologist in Warsaw, Indiana

Dr. Ralstin practices at Grossnickle Eye Surgery Center in Warsaw, Indiana.

Dr. Ralstin's NPI, 1104088731, was assigned on June 25, 2008. Dr. Ralstin graduated from Indiana University School of Medicine in 2007. Dr. Ralstin holds Indiana license 11013941A.

NPI and contact details
Medicare PAC ID
1759569833
NPI enumeration date
June 25, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(574) 269-3777
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

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

Dr. Matthew C. Ralstin practices at Grossnickle Eye Surgery Center in Warsaw, Indiana

Dr. Ralstin's primary practice is Grossnickle Eye Surgery Center, at 2251 Dubois Dr, Warsaw, IN 46580. The practice phone is (574) 269-3777.

  • Grossnickle Eye Surgery Center
    2251 Dubois Dr, Warsaw, IN 46580Phone(574) 269-3777

Source: Dmand AI Affiliation Data

Dr. Matthew C. Ralstin is affiliated with 2 sites of care and 1 medical group

Dr. Ralstin's primary practice is Grossnickle Eye Surgery Center in Warsaw, Indiana. Dmand AI also links Dr. Ralstin to 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Ralstin's employer is on file too: a surgery center (asc).

See all 3 affiliations for Dr. Ralstin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Matthew C. Ralstin's practice

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

EHR by site
SiteEHR vendor and product
Grossnickle Eye Surgery CenterAvailable with a free account
+1 more site and 1 medical groupAvailable 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. Ralstin 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. Matthew C. Ralstin is one of 226 ophthalmologists in Indiana

Ophthalmology is Dr. Ralstin's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Ralstin is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Ralstin is licensed in Indiana.

Specialties and state licenses

  • Ophthalmology, IndianaPrimaryLicense 11013941A · taxonomy 207W00000X

Ophthalmologists near Dr. Ralstin

Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.

226ophthalmologists in Indiana
4ophthalmologists in Warsaw

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

Dr. Matthew C. Ralstin billed Medicare for 7,577 services in 2024

CMS data shows 7,577 Medicare services from Dr. Ralstin across 22 procedure codes in 2024, for 929 Medicare patients. Medicare paid $858,026 for them.

Medicare services, 20247,577
Medicare patients929
Paid by Medicare$858,026
Procedure codes22

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

  • 2023
  • 2024
Drugs given in the office
2023: 3,0842024: 4,66751%
Surgery
2023: 1,3822024: 1,09621%
Tests and treatments
2023: 1,1082024: 1,0842%
Office and hospital visits
2023: 6702024: 7147%
Imaging
2023: 122024: 1633%

Where Dr. Ralstin's Medicare services took place, 2024

  • In an office6,78290%
  • In a facility79510%

Dr. Ralstin compared with the Indiana median for ophthalmologists, 2024

  • Dr. Ralstin
  • Indiana median
Medicare services
7,577vs 2,0223.7 times
Medicare patients
929vs 67538% above
Part D claims
959vs 70237% above

Medians across 240 ophthalmologists in Indiana with Dmand AI profiles that report each measure.

Dr. Ralstin'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. Ralstin

Need commercial claims for Dr. Ralstin?

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

Book a meeting

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

Dr. Matthew C. Ralstin treated 929 Medicare patients in 2026, average age 76

CMS counts 929 Medicare patients who saw Dr. Ralstin in 2026. The largest group is 65 to 74, with 413 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ralstin's median patient age at 75, with 55% women.

Medicare patients, 2026929
Average age76
Average risk score1.17
Also on Medicaid6%

Dr. Ralstin's Medicare patients by age, 2026

Dr. Ralstin's Medicare patients by sex, 2026

  • Women53558%
  • Men39442%

Chronic conditions among Dr. Ralstin's Medicare patients, 2026

  1. High blood pressure74%
  2. High cholesterol72%
  3. Arthritis40%
  4. Diabetes33%
  5. Ischemic heart disease26%
  6. Chronic kidney disease22%
  7. Anxiety19%
  8. Mood disorders19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ralstin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Dr. Matthew C. Ralstin wrote 1,083 Medicare Part D claims in 2026

In 2026, Dr. Ralstin wrote 1,083 Medicare Part D claims for 347 patients. 70% of them were for generic drugs. CMS names the drug for 959 of them, across 10 drugs with 11 or more claims each, at $14,959 in total drug cost. In 2023, CMS named 1,128 claims across 13 drugs.

Part D claims, 20261,083
Drugs named by CMS10
Total drug cost$14,959
Part D patients347

Dr. Ralstin's Part D claims by kind of drug, 2026

  • Generic757 claims70%
  • Brand-name326 claims30%

Dr. Ralstin'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: 1,1282024: 95915%

Drugs named by CMS: 10 in 2024, 13 in 2023.

See all prescribing by Dr. Ralstin

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

Dr. Matthew C. Ralstin scored 90 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Ralstin for performance year 2026, reported as part of a group. Dr. Ralstin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 689 procedures of cataract surgery by Dr. Ralstin, more than 97% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Ralstin's MIPS scores, performance year 2026

  • 90of 100Final score
  • 91.4of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Ralstin ranks in Medicare procedure volume

Cataract surgery
97th percentile689 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2026 data; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find ophthalmologists like Dr. Ralstin 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. Matthew C. Ralstin received $3,286 in industry payments from 2016 to 2025

CMS Open Payments shows 105 general payments to Dr. Ralstin from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $1,034.

General payments to Dr. Ralstin by program year, 2016 to 2025

General payments to Dr. Ralstin by kind, 2016 to 2025

$3.3Kin total
  • Food and beverage$3,25399%
  • Honoraria$261%
  • Education$80%

Companies that paid Dr. Ralstin the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ralstin

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

Dr. Matthew C. Ralstin graduated from Indiana University School of Medicine

Dr. Ralstin graduated from Indiana University School of Medicine in 2007.

  1. Medical schoolIndiana University School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Sources for Dr. Matthew C. Ralstin'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Matthew C. Ralstin

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. Matthew C. Ralstin's NPI number?

Dr. Matthew C. Ralstin's NPI number is 1104088731. It was assigned on June 25, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Matthew C. Ralstin?

Dr. Matthew C. Ralstin is an ophthalmologist in Warsaw, Indiana. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Matthew C. Ralstin practice?

Dr. Ralstin practices at 2251 Dubois Dr, Warsaw, IN 46580. Dr. Ralstin's primary practice is Grossnickle Eye Surgery Center in Warsaw, Indiana. Dmand AI also links Dr. Ralstin to 1 group practice or clinic and 1 medical group, and a free account names each one.

What is Dr. Matthew C. Ralstin's office phone number?

The practice phone on file for Dr. Ralstin is (574) 269-3777. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Matthew C. Ralstin's email address?

Dmand AI checks professional and personal email addresses for Dr. Ralstin through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Matthew C. Ralstin's medical license number?

Dr. Ralstin holds Indiana license 11013941A.

What medical group is Dr. Matthew C. Ralstin part of?

Dmand AI links Dr. Ralstin to 1 medical group. A free account names the group, with the clinicians and leaders there.

Who employs Dr. Matthew C. Ralstin?

Dmand AI has Dr. Ralstin's employer on file: a surgery center (asc). The organization's name is available with a free Dmand AI account.

Who does Dr. Matthew C. Ralstin practice with?

Dmand AI links 15 HCPs to Dr. Ralstin's primary medical group, 6 of them ophthalmologists. A free account lists them, with verified contacts.

Does Dr. Matthew C. Ralstin accept Medicare?

Yes. CMS data shows Dr. Ralstin billed Medicare for 7,577 services in 2024, and Dr. Ralstin accepts Medicare assignment.

Show 9 more questionsShow fewer questions

What is Dr. Matthew C. Ralstin's MIPS score?

Dr. Ralstin's MIPS final score for performance year 2026 is 90 out of 100, reported as part of a group.

How many Medicare patients does Dr. Matthew C. Ralstin see?

CMS counts 929 Medicare patients who saw Dr. Ralstin in 2026, with an average age of 76.

Is Dr. Matthew C. Ralstin board certified?

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

What services does Dr. Matthew C. Ralstin bill to Medicare?

In 2024, Dr. Ralstin's most billed Medicare services were injected or infused drug (J2777), surgery: eye (67028) and injected or infused drug (J0177).

Where did Dr. Matthew C. Ralstin go to medical school?

Dr. Ralstin graduated from Indiana University School of Medicine in 2007.

What drugs does Dr. Matthew C. Ralstin prescribe most?

In 2024 Medicare Part D data, Dr. Ralstin's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Prednisolone Acetate.

Has Dr. Matthew C. Ralstin received payments from drug or device companies?

CMS Open Payments shows $3,286 in general payments to Dr. Ralstin from 24 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Matthew C. Ralstin been practicing?

Dr. Ralstin graduated from medical school in 2007, 19 years ago.

What EHR does Dr. Matthew C. Ralstin's practice use?

Dmand AI tracks the EHR system at Grossnickle Eye Surgery Center and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.

Selling to ophthalmology practices?

See ophthalmologists in Indiana 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)