Dr. Marjorie Caroline Spitznagel, MD

  • Charleston, SC
  • Internist
NPI1174198048PAC ID1456757947
Medicare services, 2024
99
Medicare patients, 2024
61
Part D claims, 2024
143
Publications
2
MIPS score, 2024
79
Practice address
171 Ashley Ave, Charleston, SC 29425
Practice phone
Call (843) 792-1414
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MUSC University Hospital

Charleston, South Carolina

See all 11 affiliations

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Dr. Marjorie Caroline Spitznagel is an internist in Charleston, South Carolina

Dr. Spitznagel practices at MUSC University Hospital in Charleston, South Carolina.

Dr. Spitznagel's NPI, 1174198048, was assigned on May 24, 2021. Dr. Spitznagel holds South Carolina license LL86065.

NPI and contact details
Medicare PAC ID
1456757947
NPI enumeration date
May 24, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(843) 792-1414
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marjorie Caroline Spitznagel practices at MUSC University Hospital in Charleston, South Carolina

Dr. Spitznagel's primary practice is MUSC University Hospital, at 171 Ashley Ave, Charleston, SC 29425 in Charleston County. The practice phone is (843) 792-1414.

  • MUSC University Hospital
    171 Ashley Ave, Charleston, SC 29425 · Charleston CountyPhone(843) 792-1414

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Marjorie Caroline Spitznagel is affiliated with 8 sites of care and 3 medical groups

Dr. Spitznagel's primary practice is MUSC University Hospital in Charleston, South Carolina. Dr. Spitznagel is also affiliated with Roper Hospital. The medical group on file is MUSC Health. Dmand AI also links Dr. Spitznagel to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 11 affiliations for Dr. Spitznagel

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Marjorie Caroline Spitznagel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spitznagel practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MUSC University HospitalAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marjorie Caroline Spitznagel is one of 1,707 internists in South Carolina

Internal medicine is Dr. Spitznagel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Spitznagel is licensed in South Carolina.

Specialties and state licenses

  • Internal medicine, South CarolinaPrimaryLicense LL86065 · taxonomy 207R00000X

Internists near Dr. Spitznagel

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. Marjorie Caroline Spitznagel billed Medicare for 99 services in 2024

CMS data shows 99 Medicare services from Dr. Spitznagel across 3 procedure codes in 2024, for 61 Medicare patients. Medicare paid $3,495 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202499
Medicare patients61
Paid by Medicare$3,495
Procedure codes3

Dr. Spitznagel's Medicare services by type, 2024

  1. Office and hospital visits51
  2. Other services48

Dr. Spitznagel compared with the South Carolina median for internists, 2024

  • Dr. Spitznagel
  • South Carolina median
Medicare services
99vs 74087% below
Medicare patients
61vs 25876% below
Part D claims
24vs 33193% below

Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.

Dr. Spitznagel'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.

See all procedures by Dr. Spitznagel

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marjorie Caroline Spitznagel treated 61 Medicare patients in 2024, average age 71

CMS counts 61 Medicare patients who saw Dr. Spitznagel in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Spitznagel's median patient age at 58, with 73% women.

Medicare patients, 202461
Average age71
Average risk score1.39
Also on Medicaid26%

Dr. Spitznagel's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Spitznagel's Medicare patients by sex, 2024

  • Women3557%
  • Men2643%

Chronic conditions among Dr. Spitznagel's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Diabetes38%
  5. Anxiety26%
  6. Chronic kidney disease26%
  7. Ischemic heart disease26%
  8. Cancer21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Spitznagel's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women73%
  • Men27%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marjorie Caroline Spitznagel wrote 143 Medicare Part D claims in 2024

In 2024, Dr. Spitznagel wrote 143 Medicare Part D claims for 39 patients. 86% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $600 in total drug cost. In 2023, CMS named 137 claims across 9 drugs.

Part D claims, 2024143
Drugs named by CMS2
Total drug cost$600
Part D patients39

Dr. Spitznagel's Part D claims by kind of drug, 2024

  • Generic123 claims86%
  • Brand-name and other20 claims14%

Dr. Spitznagel'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1372024: 2482%

Drugs named by CMS: 2 in 2024, 9 in 2023.

See all prescribing by Dr. Spitznagel

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. Marjorie Caroline Spitznagel scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Spitznagel for performance year 2024, reported as part of a group. Dr. Spitznagel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Spitznagel as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Spitznagel's MIPS scores, performance year 2024

  • 79of 100Final score
  • 62.4of 100Quality
  • 99of 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. Marjorie Caroline Spitznagel has 2 publications on record

Dmand AI links 2 papers to Dr. Spitznagel. The most frequent topics are HIV Infections and Integrases. Dr. Spitznagel's most frequent co-authors are Gweneth Bratton Lazenby, MD, Jessica Tarleton, MD, MPH and Alexandra Hayden Latham, MD.

Papers2

Topics Dr. Spitznagel writes about most

  • HIV Infections
  • Integrases

Dr. Spitznagel's most frequent co-authors

Recent publications by Dr. Spitznagel

See all 2 publications and co-authors

See who Dr. Spitznagel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spitznagel works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Marjorie Caroline Spitznagel received $254 in industry payments in 2025

CMS Open Payments shows 14 general payments to Dr. Spitznagel from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $57.

Companies that paid Dr. Spitznagel the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Spitznagel

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Marjorie Caroline Spitznagel's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marjorie Caroline Spitznagel

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. Marjorie Caroline Spitznagel's NPI number?

Dr. Marjorie Caroline Spitznagel's NPI number is 1174198048. It was assigned on May 24, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Marjorie Caroline Spitznagel?

Dr. Marjorie Caroline Spitznagel is an internist in Charleston, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Marjorie Caroline Spitznagel practice?

Dr. Spitznagel practices at 171 Ashley Ave, Charleston, SC 29425. Dr. Spitznagel's primary practice is MUSC University Hospital in Charleston, South Carolina. Dmand AI also links Dr. Spitznagel to 3 hospitals, 3 group practices and clinics and 2 medical groups.

What is Dr. Marjorie Caroline Spitznagel's office phone number?

The practice phone on file for Dr. Spitznagel is (843) 792-1414.

What is Dr. Marjorie Caroline Spitznagel's medical license number?

Dr. Spitznagel holds South Carolina license LL86065.

Which hospitals is Dr. Marjorie Caroline Spitznagel affiliated with?

Dr. Spitznagel is affiliated with Roper Hospital. Dmand AI links Dr. Spitznagel to 3 more hospitals.

What medical group is Dr. Marjorie Caroline Spitznagel part of?

Dr. Spitznagel is linked to MUSC Health. Dmand AI links Dr. Spitznagel to 2 more medical groups.

Does Dr. Marjorie Caroline Spitznagel accept Medicare?

Yes. CMS data shows Dr. Spitznagel billed Medicare for 99 services in 2024, and Dr. Spitznagel accepts Medicare assignment.

Does Dr. Marjorie Caroline Spitznagel offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Spitznagel as offering telehealth services.

What is Dr. Marjorie Caroline Spitznagel's MIPS score?

Dr. Spitznagel's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

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How many Medicare patients does Dr. Marjorie Caroline Spitznagel see?

CMS counts 61 Medicare patients who saw Dr. Spitznagel in 2024, with an average age of 71.

What services does Dr. Marjorie Caroline Spitznagel bill to Medicare?

In 2024, Dr. Spitznagel's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Marjorie Caroline Spitznagel prescribe most?

In 2024 Medicare Part D data, Dr. Spitznagel's most prescribed drugs by claims were Atorvastatin Calcium and Omeprazole.

Has Dr. Marjorie Caroline Spitznagel received payments from drug or device companies?

CMS Open Payments shows $254 in general payments to Dr. Spitznagel from 11 companies from 2025 to 2025. The largest total came from Pfizer Inc.

How long has Dr. Marjorie Caroline Spitznagel been practicing?

Dr. Spitznagel graduated from medical school in 2021, 5 years ago.

Does Dr. Marjorie Caroline Spitznagel do research?

Dmand AI links 2 publications to Dr. Spitznagel.

Who does Dr. Marjorie Caroline Spitznagel publish with?

Dr. Spitznagel's most frequent co-authors are Gweneth Bratton Lazenby, MD (2 shared papers), Jessica Tarleton, MD, MPH (2 shared papers) and Alexandra Hayden Latham, MD (1 shared paper).

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