Dr. G Sean Callender, MD
- Medicare services, 2024
- 302
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 308
- MIPS score, 2024
- 98
- Hospital affiliations
- 2
- Practice address
- 181 Main Street, Norway, ME 04268
- Practice phone
- Call (207) 743-5933
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Callender's professional email, personal email and mobile number
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Dr. G Sean Callender is a hospitalist in Norway, Maine
Dr. Callender practices at MaineHealth Stephens Hospital in Norway, Maine, part of MaineHealth.
Dr. Callender's NPI, 1932117678, was assigned on August 4, 2006. Dr. Callender graduated from Loma Linda University School of Medicine in 2003. Dr. Callender holds Maine license MD17185.
- NPI
- 1932117678NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214980358
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 743-5933
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. G Sean Callender practices at MaineHealth Stephens Hospital in Norway, Maine
Dr. Callender's primary practice is MaineHealth Stephens Hospital, at 181 Main Street, Norway, ME 04268 in Oxford County. The practice phone is (207) 743-5933.
- MaineHealth Stephens Hospital181 Main Street, Norway, ME 04268 · Oxford CountyPhone(207) 743-5933
Source: Dmand AI Affiliation Data
Dr. G Sean Callender is affiliated with 3 sites of care and 3 medical groups
Dr. Callender's primary practice is MaineHealth Stephens Hospital in Norway, Maine, part of MaineHealth. Dr. Callender is also affiliated with MaineHealth Maine Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Callender to 2 more medical groups and 1 hospice, each named with a free account. Dr. Callender's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. G Sean Callender's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callender practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Stephens Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. G Sean Callender is one of 180 hospitalists in Maine
Hospitalist is Dr. Callender's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Callender is licensed in Maine.
Specialties and state licenses
- Hospitalist, MainePrimary
Hospitalists near Dr. Callender
Counts of hospitalists 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. G Sean Callender billed Medicare for 302 services in 2024
CMS data shows 302 Medicare services from Dr. Callender across 7 procedure codes in 2024, for 154 Medicare patients. Medicare paid $23,175 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Callender's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4872024: 30238%
Dr. Callender compared with the Maine median for hospitalists, 2024
- Dr. Callender
- Maine median
- Medicare services
- 302vs 26315% above
- Medicare patients
- 154vs 12424% above
- Part D claims
- 149vs 542.8 times
Medians across 182 hospitalists in Maine with Dmand AI profiles that report each measure.
Dr. Callender'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. G Sean Callender treated 154 Medicare patients in 2024, average age 79
CMS counts 154 Medicare patients who saw Dr. Callender in 2024. The largest group is 85 and over, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.92, 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. Callender's median patient age at 75, with 53% women.
Dr. Callender's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Callender's Medicare patients by sex, 2024
- Women7045%
- Men8455%
Chronic conditions among Dr. Callender's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Chronic kidney disease51%
- COPD46%
- Heart failure45%
- Ischemic heart disease44%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Callender'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
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. G Sean Callender wrote 308 Medicare Part D claims in 2024
In 2024, Dr. Callender wrote 308 Medicare Part D claims for 75 patients. 87% of them were for generic drugs. CMS names the drug for 149 of them, across 9 drugs with 11 or more claims each, at $2,105 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Callender's Part D claims by kind of drug, 2024
- Generic268 claims87%
- Brand-name and other40 claims13%
Dr. Callender'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. Callender's Part D claims, 2024
- Opioids4%13 of 308 claims
- Antibiotics15%47 of 308 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: 252024: 149496%
Drugs named by CMS: 9 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. G Sean Callender scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Callender for performance year 2024, reported through an alternative payment model (APM). Dr. Callender accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Callender's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. G Sean Callender graduated from Loma Linda University School of Medicine
Dr. Callender graduated from Loma Linda University School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. G Sean Callender'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (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. G Sean Callender
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. G Sean Callender's NPI number?
Dr. G Sean Callender's NPI number is 1932117678. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. G Sean Callender?
Dr. G Sean Callender is a hospitalist in Norway, Maine. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. G Sean Callender practice?
Dr. Callender practices at 181 Main Street, Norway, ME 04268. Dr. Callender's primary practice is MaineHealth Stephens Hospital in Norway, Maine, part of MaineHealth. Dmand AI also links Dr. Callender to 2 medical groups and 1 hospice.
What is Dr. G Sean Callender's office phone number?
The practice phone on file for Dr. Callender is (207) 743-5933.
What is Dr. G Sean Callender's medical license number?
Dr. Callender holds Maine license MD17185.
Which hospitals is Dr. G Sean Callender affiliated with?
Dr. Callender practices at MaineHealth Stephens Hospital in Norway, Maine. Dr. Callender is also affiliated with MaineHealth Maine Medical Center.
What medical group is Dr. G Sean Callender part of?
Dr. Callender is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Callender to 2 more medical groups.
Does Dr. G Sean Callender accept Medicare?
Yes. CMS data shows Dr. Callender billed Medicare for 302 services in 2024, and Dr. Callender accepts Medicare assignment.
What is Dr. G Sean Callender's MIPS score?
Dr. Callender's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. G Sean Callender see?
CMS counts 154 Medicare patients who saw Dr. Callender in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. G Sean Callender bill to Medicare?
In 2024, Dr. Callender's most billed Medicare services were hospital inpatient care (99239), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. G Sean Callender go to medical school?
Dr. Callender graduated from Loma Linda University School of Medicine in 2003.
What drugs does Dr. G Sean Callender prescribe most?
In 2024 Medicare Part D data, Dr. Callender's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Ropinirole HCl.
How long has Dr. G Sean Callender been practicing?
Dr. Callender graduated from medical school in 2003, 23 years ago.
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