Dr. Mariann C. McElwain, MD
- Medicare services, 2024
- 3,439
- Medicare patients, 2024
- 403
- Part D claims, 2024
- 717
- Hospital affiliations
- 1
- Industry payments
- $1,711
- Practice address
- 1235 Friendship Rd, Braselton, GA 30517
- Practice phone
- Call (770) 536-4352
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northeast Georgia Otolaryngology
Braselton, Georgia
Find Dr. McElwain'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. Mariann C. McElwain is an otolaryngologist in Braselton, Georgia
Dr. McElwain practices at Northeast Georgia Otolaryngology in Braselton, Georgia.
Dr. McElwain's NPI, 1134117757, was assigned on October 7, 2005. Dr. McElwain graduated from University of Pittsburgh School of Medicine in 1992. Dr. McElwain holds Pennsylvania license MD 057799L.
- NPI
- 1134117757NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234170481
- NPI enumeration date
- October 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 536-4352
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mariann C. McElwain practices at Northeast Georgia Otolaryngology in Braselton, Georgia
Dr. McElwain's primary practice is Northeast Georgia Otolaryngology, at 1235 Friendship Rd, Braselton, GA 30517 in Jackson County. The practice phone is (770) 536-4352.
- Northeast Georgia Otolaryngology1235 Friendship Rd, Braselton, GA 30517 · Jackson CountyPhone(770) 536-4352
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mariann C. McElwain is affiliated with 4 sites of care and 2 medical groups
Dr. McElwain's primary practice is Northeast Georgia Otolaryngology in Braselton, Georgia. Dr. McElwain is also affiliated with Northeast Georgia Medical Center Gainesville. The medical group on file is Northeast Georgia ENT. Dmand AI also links Dr. McElwain to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mariann C. McElwain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McElwain practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeast Georgia Otolaryngology | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mariann C. McElwain is one of 302 otolaryngologists in Georgia
Otolaryngology is Dr. McElwain's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. McElwain is licensed in Pennsylvania.
Specialties and state licenses
- Otolaryngology, PennsylvaniaPrimary
Otolaryngologists near Dr. McElwain
Counts of otolaryngologists 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. Mariann C. McElwain billed Medicare for 3,439 services in 2024
CMS data shows 3,439 Medicare services from Dr. McElwain across 16 procedure codes in 2024, for 403 Medicare patients. Medicare paid $113,864 for them. Every service was in an office.
Dr. McElwain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,8842024: 2,08511%
- Office and hospital visits
- 2023: 6792024: 7338%
- Surgery
- 2023: 4282024: 49115%
- Other services
- 2023: 1232024: 1306%
Dr. McElwain compared with the Georgia median for otolaryngologists, 2024
- Dr. McElwain
- Georgia median
- Medicare services
- 3,439vs 6735.1 times
- Medicare patients
- 403vs 30233% above
- Part D claims
- 682vs 3022.3 times
Medians across 289 otolaryngologists in Georgia with Dmand AI profiles that report each measure.
Dr. McElwain'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.
Need commercial claims for Dr. McElwain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McElwain and other otolaryngologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mariann C. McElwain treated 403 Medicare patients in 2024, average age 74
CMS counts 403 Medicare patients who saw Dr. McElwain in 2024. The largest group is 65 to 74, with 258 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McElwain's median patient age at 59, with 60% women.
Dr. McElwain's Medicare patients by age, 2024
Dr. McElwain's Medicare patients by sex, 2024
- Women26365%
- Men14035%
Chronic conditions among Dr. McElwain's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis49%
- Anxiety23%
- Diabetes23%
- Ischemic heart disease23%
- Mood disorders19%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. McElwain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mariann C. McElwain wrote 717 Medicare Part D claims in 2024
In 2024, Dr. McElwain wrote 717 Medicare Part D claims for 261 patients. 86% of them were for generic drugs. CMS names the drug for 682 of them, across 10 drugs with 11 or more claims each, at $57,333 in total drug cost. In 2023, CMS named 621 claims across 10 drugs.
Dr. McElwain's Part D claims by kind of drug, 2024
- Generic616 claims86%
- Brand-name and other101 claims14%
Dr. McElwain'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. McElwain's Part D claims, 2024
- Antibiotics3%21 of 717 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: 6212024: 68210%
Drugs named by CMS: 10 in 2024, 10 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. Mariann C. McElwain takes part in Medicare
Dr. McElwain 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. Mariann C. McElwain received $1,711 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. McElwain from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Optinose US, Inc. paid the most, $784.
General payments to Dr. McElwain by program year, 2016 to 2025
Companies that paid Dr. McElwain 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. Mariann C. McElwain graduated from University of Pittsburgh School of Medicine
Dr. McElwain graduated from University of Pittsburgh School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mariann C. McElwain'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 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) |
| 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. Mariann C. McElwain
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. Mariann C. McElwain's NPI number?
Dr. Mariann C. McElwain's NPI number is 1134117757. It was assigned on October 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mariann C. McElwain?
Dr. Mariann C. McElwain is an otolaryngologist in Braselton, Georgia. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Mariann C. McElwain practice?
Dr. McElwain practices at 1235 Friendship Rd, Braselton, GA 30517. Dr. McElwain's primary practice is Northeast Georgia Otolaryngology in Braselton, Georgia. Dmand AI also links Dr. McElwain to 2 group practices and clinics and 1 medical group.
What is Dr. Mariann C. McElwain's office phone number?
The practice phone on file for Dr. McElwain is (770) 536-4352.
What is Dr. Mariann C. McElwain's medical license number?
Dr. McElwain holds Pennsylvania license MD 057799L.
Which hospitals is Dr. Mariann C. McElwain affiliated with?
Dr. McElwain is affiliated with Northeast Georgia Medical Center Gainesville.
What medical group is Dr. Mariann C. McElwain part of?
Dr. McElwain is linked to Northeast Georgia ENT. Dmand AI links Dr. McElwain to 1 more medical group.
Does Dr. Mariann C. McElwain accept Medicare?
Yes. CMS data shows Dr. McElwain billed Medicare for 3,439 services in 2024, and Dr. McElwain accepts Medicare assignment.
How many Medicare patients does Dr. Mariann C. McElwain see?
CMS counts 403 Medicare patients who saw Dr. McElwain in 2024, with an average age of 74.
What services does Dr. Mariann C. McElwain bill to Medicare?
In 2024, Dr. McElwain's most billed Medicare services were allergy test or treatment (95165), office visit, established patient (99214) and allergy test or treatment (95004).
Show 4 more questionsShow fewer questions
Where did Dr. Mariann C. McElwain go to medical school?
Dr. McElwain graduated from University of Pittsburgh School of Medicine in 1992.
What drugs does Dr. Mariann C. McElwain prescribe most?
In 2024 Medicare Part D data, Dr. McElwain's most prescribed drugs by claims were Fluticasone Propionate, Azelastine HCl and Epinephrine.
Has Dr. Mariann C. McElwain received payments from drug or device companies?
CMS Open Payments shows $1,711 in general payments to Dr. McElwain from 17 companies from 2016 to 2025. The largest total came from Optinose US, Inc.
How long has Dr. Mariann C. McElwain been practicing?
Dr. McElwain graduated from medical school in 1992, 34 years ago.
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