Dr. Michael Alan Masteller, MD
- Medicare services, 2024
- 164
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 131
- Hospital affiliations
- 5
- Industry payments
- $19,946
- Practice address
- 8201 E Riverside Blvd, Rockford, IL 61114
- Practice phone
- Call (815) 971-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Javon Bea Hospital
Rockford, Illinois
Find Dr. Masteller'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. Michael Alan Masteller is a general surgeon in Rockford, Illinois
Dr. Masteller practices at Javon Bea Hospital in Rockford, Illinois.
Dr. Masteller's NPI, 1497196455, was assigned on July 7, 2013. Dr. Masteller graduated from Indiana University School of Medicine in 2013. Dr. Masteller holds Illinois license 125063645.
- NPI
- 1497196455NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557605375
- NPI enumeration date
- July 7, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 971-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Alan Masteller practices at Javon Bea Hospital in Rockford, Illinois
Dr. Masteller's primary practice is Javon Bea Hospital, at 8201 E Riverside Blvd, Rockford, IL 61114 in Winnebago County. The practice phone is (815) 971-5000.
- Javon Bea Hospital8201 E Riverside Blvd, Rockford, IL 61114 · Winnebago CountyPhone(815) 971-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Alan Masteller is affiliated with 6 sites of care and 1 medical group
Dr. Masteller's primary practice is Javon Bea Hospital in Rockford, Illinois. Dr. Masteller is also affiliated with Javon Bea Hospital-Riverside. The medical group on file is Mercyhealth Physicians. Dmand AI also links Dr. Masteller to 4 more hospitals, 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. Michael Alan Masteller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masteller practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Javon Bea Hospital | 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. Michael Alan Masteller is one of 1,217 general surgeons in Illinois
Surgery is Dr. Masteller's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Masteller is licensed in Illinois.
Specialties and state licenses
- Surgery, IllinoisPrimary
General surgeons near Dr. Masteller
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. Michael Alan Masteller billed Medicare for 164 services in 2024
CMS data shows 164 Medicare services from Dr. Masteller across 4 procedure codes in 2024, for 169 Medicare patients. Medicare paid $12,406 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Masteller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2932024: 16444%
Dr. Masteller compared with the Illinois median for general surgeons, 2024
- Dr. Masteller
- Illinois median
- Medicare services
- 164vs 19415% below
- Medicare patients
- 169vs 14417% above
- Part D claims
- 85vs 283.0 times
Medians across 1,031 general surgeons in Illinois with Dmand AI profiles that report each measure.
Dr. Masteller'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masteller and other general surgeons in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Alan Masteller treated 169 Medicare patients in 2024, average age 73
CMS counts 169 Medicare patients who saw Dr. Masteller in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.70, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Masteller's median patient age at 68, with 50% women.
Dr. Masteller's Medicare patients by age, 2024
Dr. Masteller's Medicare patients by sex, 2024
- Women8148%
- Men8852%
Chronic conditions among Dr. Masteller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Chronic kidney disease36%
- Diabetes33%
- Ischemic heart disease32%
- Heart failure31%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masteller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Alan Masteller wrote 131 Medicare Part D claims in 2024
In 2024, Dr. Masteller wrote 131 Medicare Part D claims for 73 patients. 97% of them were for generic drugs. CMS names the drug for 85 of them, across 3 drugs with 11 or more claims each, at $411 in total drug cost. In 2023, CMS named 89 claims across 2 drugs.
Dr. Masteller's Part D claims by kind of drug, 2024
- Generic127 claims97%
- Brand-name and other4 claims3%
Dr. Masteller'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. Masteller's Part D claims, 2024
- Opioids47%62 of 131 claims
- Antibiotics24%32 of 131 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: 892024: 854%
Drugs named by CMS: 3 in 2024, 2 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
Dr. Michael Alan Masteller ranks in the 69th percentile for melanoma (skin cancer) excision in Medicare
Dr. Masteller accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of melanoma (skin cancer) excision by Dr. Masteller, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Masteller ranks in Medicare procedure volume
- Melanoma (skin cancer) excision
- 69th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Alan Masteller received $19,946 in industry payments from 2016 to 2025
CMS Open Payments shows 62 general payments to Dr. Masteller from 16 drug and device companies from 2016 to 2025. Education make up the largest share, 80% of the total. Intuitive Surgical, Inc. paid the most, $17,977.
General payments to Dr. Masteller by program year, 2016 to 2025
General payments to Dr. Masteller by kind, 2016 to 2025
- Education$16,00080%
- Food and beverage$2,95115%
- Travel and lodging$9955%
Companies that paid Dr. Masteller 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. Michael Alan Masteller graduated from Indiana University School of Medicine
Dr. Masteller graduated from Indiana University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Alan Masteller'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Michael Alan Masteller
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. Michael Alan Masteller's NPI number?
Dr. Michael Alan Masteller's NPI number is 1497196455. It was assigned on July 7, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Alan Masteller?
Dr. Michael Alan Masteller is a general surgeon in Rockford, Illinois. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Alan Masteller practice?
Dr. Masteller practices at 8201 E Riverside Blvd, Rockford, IL 61114. Dr. Masteller's primary practice is Javon Bea Hospital in Rockford, Illinois. Dmand AI also links Dr. Masteller to 4 hospitals.
What is Dr. Michael Alan Masteller's office phone number?
The practice phone on file for Dr. Masteller is (815) 971-5000.
What is Dr. Michael Alan Masteller's medical license number?
Dr. Masteller holds Illinois license 125063645.
Which hospitals is Dr. Michael Alan Masteller affiliated with?
Dr. Masteller is affiliated with Javon Bea Hospital-Riverside. Dmand AI links Dr. Masteller to 4 more hospitals.
What medical group is Dr. Michael Alan Masteller part of?
Dr. Masteller is linked to Mercyhealth Physicians.
Does Dr. Michael Alan Masteller accept Medicare?
Yes. CMS data shows Dr. Masteller billed Medicare for 164 services in 2024, and Dr. Masteller accepts Medicare assignment.
How many Medicare patients does Dr. Michael Alan Masteller see?
CMS counts 169 Medicare patients who saw Dr. Masteller in 2024, with an average age of 73.
What services does Dr. Michael Alan Masteller bill to Medicare?
In 2024, Dr. Masteller's most billed Medicare services were hospital inpatient care (99222), hospital inpatient care (99232) and office visit, new patient (99203).
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Where did Dr. Michael Alan Masteller go to medical school?
Dr. Masteller graduated from Indiana University School of Medicine in 2013.
What drugs does Dr. Michael Alan Masteller prescribe most?
In 2024 Medicare Part D data, Dr. Masteller's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Metronidazole and Neomycin Sulfate.
Has Dr. Michael Alan Masteller received payments from drug or device companies?
CMS Open Payments shows $19,946 in general payments to Dr. Masteller from 16 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Michael Alan Masteller been practicing?
Dr. Masteller graduated from medical school in 2013, 13 years ago.
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