Dr. Anna Shelby Marx, MD
- Medicare services, 2024
- 191
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 90
- MIPS score, 2024
- 95
- Hospital affiliations
- 4
- Practice address
- 101 E Wood St, Spartanburg, SC 29303
- Practice phone
- Call (864) 560-6554
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marx'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. Anna Shelby Marx is an emergency medicine physician in Spartanburg, South Carolina
Dr. Marx practices at Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System.
Dr. Marx's NPI, 1407430440, was assigned on May 6, 2021. Dr. Marx graduated from University of North Carolina at Chapel Hill School of Medicine in 2021. Dr. Marx holds South Carolina license 93135.
- NPI
- 1407430440NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183027717
- NPI enumeration date
- May 6, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 560-6554
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Anna Shelby Marx practices at Spartanburg Medical Center in Spartanburg, South Carolina
Dr. Marx's primary practice is Spartanburg Medical Center, at 101 E Wood St, Spartanburg, SC 29303 in Spartanburg County. The practice phone is (864) 560-6554.
- Spartanburg Medical Center101 E Wood St, Spartanburg, SC 29303 · Spartanburg CountyPhone(864) 560-6554
Source: Dmand AI Affiliation Data
Dr. Anna Shelby Marx is affiliated with 4 sites of care and 2 medical groups
Dr. Marx's primary practice is Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System. Dr. Marx is also affiliated with Pelham Medical Center. The medical group on file is Medical Group of the Carolinas - Family Medicine - Converse Heights. Dmand AI also links Dr. Marx to 2 more hospitals 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. Anna Shelby Marx's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marx practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spartanburg Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Spartanburg Regional Healthcare System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Anna Shelby Marx is one of 1,026 emergency medicine physicians in South Carolina
Emergency medicine is Dr. Marx's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Marx is licensed in South Carolina.
Specialties and state licenses
- Emergency medicine, South CarolinaPrimary
Emergency medicine physicians near Dr. Marx
Counts of emergency medicine physicians 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. Anna Shelby Marx billed Medicare for 191 services in 2024
CMS data shows 191 Medicare services from Dr. Marx across 5 procedure codes in 2024, for 156 Medicare patients. Medicare paid $16,559 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marx's Medicare services by type, 2024
- Office and hospital visits152
- Tests and treatments39
Dr. Marx compared with the South Carolina median for emergency medicine physicians, 2024
- Dr. Marx
- South Carolina median
- Medicare services
- 191vs 36147% below
- Medicare patients
- 156vs 32452% below
- Part D claims
- 24vs 10778% below
Medians across 1,019 emergency medicine physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Marx'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. Marx?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marx and other emergency medicine physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anna Shelby Marx treated 156 Medicare patients in 2024, average age 75
CMS counts 156 Medicare patients who saw Dr. Marx in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.87, 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. Marx's median patient age at 68, with 57% women.
Dr. Marx's Medicare patients by age, 2024
Dr. Marx's Medicare patients by sex, 2024
- Women9360%
- Men6340%
Chronic conditions among Dr. Marx's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Anxiety45%
- Mood disorders44%
- Depression42%
- Chronic kidney disease39%
- Diabetes37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marx'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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Anna Shelby Marx wrote 90 Medicare Part D claims in 2024
In 2024, Dr. Marx wrote 90 Medicare Part D claims for 67 patients. 97% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $623 in total drug cost.
Dr. Marx's Part D claims by kind of drug, 2024
- Generic87 claims97%
- Brand-name and other3 claims3%
Dr. Marx'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. Marx's Part D claims, 2024
- Antibiotics58%52 of 90 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Anna Shelby Marx scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Marx for performance year 2024, reported through an alternative payment model (APM). Dr. Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Marx's MIPS scores, performance year 2024
- 95of 100Final score
- 89.4of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Anna Shelby Marx graduated from University of North Carolina at Chapel Hill School of Medicine
Dr. Marx graduated from University of North Carolina at Chapel Hill School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Anna Shelby Marx'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. Anna Shelby Marx
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. Anna Shelby Marx's NPI number?
Dr. Anna Shelby Marx's NPI number is 1407430440. It was assigned on May 6, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Shelby Marx?
Dr. Anna Shelby Marx is an emergency medicine physician in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Anna Shelby Marx practice?
Dr. Marx practices at 101 E Wood St, Spartanburg, SC 29303. Dr. Marx's primary practice is Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System. Dmand AI also links Dr. Marx to 2 hospitals and 1 medical group.
What is Dr. Anna Shelby Marx's office phone number?
The practice phone on file for Dr. Marx is (864) 560-6554.
What is Dr. Anna Shelby Marx's medical license number?
Dr. Marx holds South Carolina license 93135.
Which hospitals is Dr. Anna Shelby Marx affiliated with?
Dr. Marx practices at Spartanburg Medical Center in Spartanburg, South Carolina. Dr. Marx is also affiliated with Pelham Medical Center. Dmand AI links Dr. Marx to 2 more hospitals.
What medical group is Dr. Anna Shelby Marx part of?
Dr. Marx is linked to Medical Group of the Carolinas - Family Medicine - Converse Heights. Dmand AI links Dr. Marx to 1 more medical group.
Does Dr. Anna Shelby Marx accept Medicare?
Yes. CMS data shows Dr. Marx billed Medicare for 191 services in 2024, and Dr. Marx accepts Medicare assignment.
What is Dr. Anna Shelby Marx's MIPS score?
Dr. Marx's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Anna Shelby Marx see?
CMS counts 156 Medicare patients who saw Dr. Marx in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Anna Shelby Marx bill to Medicare?
In 2024, Dr. Marx's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Anna Shelby Marx go to medical school?
Dr. Marx graduated from University of North Carolina at Chapel Hill School of Medicine in 2021.
What drugs does Dr. Anna Shelby Marx prescribe most?
In 2024 Medicare Part D data, Dr. Marx's most prescribed drugs by claims were Cephalexin and Cefpodoxime Proxetil.
How long has Dr. Anna Shelby Marx been practicing?
Dr. Marx graduated from medical school in 2021, 5 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in South Carolina 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