Dr. Sebastian Alan Montgomery, MD
- Medicare services, 2024
- 675
- Medicare patients, 2024
- 295
- Part D claims, 2024
- 526
- Publications
- 3
- Hospital affiliations
- 3
- Practice address
- 777 Hemlock Street, Macon, GA 31201
- Practice phone
- Call (478) 633-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Montgomery'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. Sebastian Alan Montgomery is an internist in Macon, Georgia
Dr. Montgomery practices at Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health.
Dr. Montgomery's NPI, 1023506854, was assigned on April 26, 2018. Dr. Montgomery graduated from Mercer University School of Medicine in 2018. Dr. Montgomery holds Georgia license 86200.
- NPI
- 1023506854NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901146554
- NPI enumeration date
- April 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (478) 633-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sebastian Alan Montgomery practices at Atrium Health Navicent the Medical Center in Macon, Georgia
Dr. Montgomery's primary practice is Atrium Health Navicent the Medical Center, at 777 Hemlock Street, Macon, GA 31201 in Bibb County. The practice phone is (478) 633-1000.
- Atrium Health Navicent the Medical Center777 Hemlock Street, Macon, GA 31201 · Bibb CountyPhone(478) 633-1000
Source: Dmand AI Affiliation Data
Dr. Sebastian Alan Montgomery is affiliated with 6 sites of care and 2 medical groups
Dr. Montgomery's primary practice is Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health. Dr. Montgomery is also affiliated with Piedmont Macon Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Montgomery to 1 more hospital, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sebastian Alan Montgomery's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Montgomery practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrium Health Navicent The Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sebastian Alan Montgomery is one of 3,575 internists in Georgia
Internal medicine is Dr. Montgomery's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Montgomery is board certified in internal medicine by the American Board of Internal Medicine. Dr. Montgomery is licensed in Georgia.
Specialties and state licenses
- Internal medicine, GeorgiaPrimary
Internists near Dr. Montgomery
Counts of internists 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. Sebastian Alan Montgomery billed Medicare for 675 services in 2024
CMS data shows 675 Medicare services from Dr. Montgomery across 5 procedure codes in 2024, for 295 Medicare patients. Medicare paid $57,976 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Montgomery's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9082024: 67526%
Dr. Montgomery compared with the Georgia median for internists, 2024
- Dr. Montgomery
- Georgia median
- Medicare services
- 675vs 53626% above
- Medicare patients
- 295vs 19452% above
- Part D claims
- 146vs 33957% below
Medians across 3,344 internists in Georgia with Dmand AI profiles that report each measure.
Dr. Montgomery'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. Montgomery and other internists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sebastian Alan Montgomery treated 295 Medicare patients in 2024, average age 73
CMS counts 295 Medicare patients who saw Dr. Montgomery in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.65, 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. Montgomery's median patient age at 69, with 50% women.
Dr. Montgomery's Medicare patients by age, 2024
Dr. Montgomery's Medicare patients by sex, 2024
- Women13746%
- Men15854%
Chronic conditions among Dr. Montgomery's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Ischemic heart disease55%
- Heart failure52%
- Diabetes51%
- Arthritis47%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Montgomery's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
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. Sebastian Alan Montgomery wrote 526 Medicare Part D claims in 2024
In 2024, Dr. Montgomery wrote 526 Medicare Part D claims for 151 patients. 87% of them were for generic drugs. CMS names the drug for 146 of them, across 11 drugs with 11 or more claims each, at $9,178 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Montgomery's Part D claims by kind of drug, 2024
- Generic456 claims87%
- Brand-name and other70 claims13%
Dr. Montgomery'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. Montgomery's Part D claims, 2024
- Opioids9%48 of 526 claims
- Antibiotics6%34 of 526 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: 132024: 1461023%
Drugs named by CMS: 11 in 2024, 1 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
How Dr. Sebastian Alan Montgomery takes part in Medicare
Dr. Montgomery accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sebastian Alan Montgomery has 3 publications on record
Dmand AI links 3 papers to Dr. Montgomery, published from 2020 to 2022. Dr. Montgomery's most frequent co-authors are Joseph John Bear, MD, Latha Ganti, MD and Ramin Karimi.
Dr. Montgomery's papers by year, 2020 to 2022
Dr. Montgomery's most frequent co-authors
Recent publications by Dr. Montgomery
HCA Healthc J Med
See who Dr. Montgomery researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Montgomery works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sebastian Alan Montgomery received $803 in industry payments from 2020 to 2025
CMS Open Payments shows 20 general payments to Dr. Montgomery from 8 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $186.
General payments to Dr. Montgomery by program year, 2020 to 2025
Companies that paid Dr. Montgomery the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sebastian Alan Montgomery graduated from Mercer University School of Medicine
Dr. Montgomery graduated from Mercer University School of Medicine in 2018.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Sebastian Alan Montgomery'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) |
| 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) |
| 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. Sebastian Alan Montgomery
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. Sebastian Alan Montgomery's NPI number?
Dr. Sebastian Alan Montgomery's NPI number is 1023506854. It was assigned on April 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Sebastian Alan Montgomery?
Dr. Sebastian Alan Montgomery is an internist in Macon, Georgia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sebastian Alan Montgomery practice?
Dr. Montgomery practices at 777 Hemlock Street, Macon, GA 31201. Dr. Montgomery's primary practice is Atrium Health Navicent The Medical Center in Macon, Georgia, part of Advocate Health. Dmand AI also links Dr. Montgomery to 1 hospital, 1 group practice or clinic, 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Sebastian Alan Montgomery's office phone number?
The practice phone on file for Dr. Montgomery is (478) 633-1000.
What is Dr. Sebastian Alan Montgomery's medical license number?
Dr. Montgomery holds Georgia license 86200.
Which hospitals is Dr. Sebastian Alan Montgomery affiliated with?
Dr. Montgomery practices at Atrium Health Navicent The Medical Center in Macon, Georgia. Dr. Montgomery is also affiliated with Piedmont Macon Medical Center. Dmand AI links Dr. Montgomery to 1 more hospital.
What medical group is Dr. Sebastian Alan Montgomery part of?
Dr. Montgomery is linked to Sound Physicians. Dmand AI links Dr. Montgomery to 1 more medical group.
Does Dr. Sebastian Alan Montgomery accept Medicare?
Yes. CMS data shows Dr. Montgomery billed Medicare for 675 services in 2024, and Dr. Montgomery accepts Medicare assignment.
How many Medicare patients does Dr. Sebastian Alan Montgomery see?
CMS counts 295 Medicare patients who saw Dr. Montgomery in 2024, with an average age of 73.
Is Dr. Sebastian Alan Montgomery board certified?
Yes. Dr. Montgomery is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Sebastian Alan Montgomery bill to Medicare?
In 2024, Dr. Montgomery's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Sebastian Alan Montgomery go to medical school?
Dr. Montgomery graduated from Mercer University School of Medicine in 2018.
What drugs does Dr. Sebastian Alan Montgomery prescribe most?
In 2024 Medicare Part D data, Dr. Montgomery's most prescribed drugs by claims were Eliquis, Levothyroxine Sodium and Morphine Sulfate.
Has Dr. Sebastian Alan Montgomery received payments from drug or device companies?
CMS Open Payments shows $803 in general payments to Dr. Montgomery from 8 companies from 2020 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Sebastian Alan Montgomery been practicing?
Dr. Montgomery graduated from medical school in 2018, 8 years ago.
Does Dr. Sebastian Alan Montgomery do research?
Dmand AI links 3 publications to Dr. Montgomery, published from 2020 to 2022.
Who does Dr. Sebastian Alan Montgomery publish with?
Dr. Montgomery's most frequent co-authors are Joseph John Bear, MD (1 shared paper), Latha Ganti, MD (1 shared paper) and Ramin Karimi (1 shared paper).
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