Dr. Carol K. Tweed, MD

  • Annapolis, MD
  • Medical oncologist
NPI1649219155PAC ID9032115415
Medicare services, 2024
54,688
Medicare patients, 2024
698
Part D claims, 2024
1,265
Publications
4
Clinical trials
7
Practice address
810 Bestgate Rd, Annapolis, MD 21401
Practice phone
Call (855) 405-7100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Summit Ambulatory Surgical Center, LLC

Annapolis, Maryland

See all 12 affiliations

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Dr. Carol K. Tweed is a medical oncologist in Annapolis, Maryland

Dr. Tweed practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland.

Dr. Tweed's NPI, 1649219155, was assigned on June 6, 2006. Dr. Tweed graduated from Washington University School of Medicine in 2001. Dr. Tweed holds Maryland license D74092.

NPI and contact details
Medicare PAC ID
9032115415
NPI enumeration date
June 6, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(855) 405-7100
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
51
Medical school graduation
2001

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

Dr. Carol K. Tweed practices at Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland

Dr. Tweed's primary practice is Summit Ambulatory Surgical Center, LLC, at 810 Bestgate Rd, Annapolis, MD 21401 in Anne Arundel County. The practice phone is (855) 405-7100.

  • Summit Ambulatory Surgical Center, LLC
    810 Bestgate Rd, Annapolis, MD 21401 · Anne Arundel CountyPhone(855) 405-7100

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

Dr. Carol K. Tweed is affiliated with 9 sites of care and 3 medical groups

Dr. Tweed's primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. Dr. Tweed is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is UM Community Medical Group. Dmand AI also links Dr. Tweed to 3 more hospitals, 3 group practices and clinics, 2 medical groups and 1 hospice, each named with a free account.

See all 12 affiliations for Dr. Tweed

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

Dmand AI tracks the EHR system at Dr. Carol K. Tweed's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tweed practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Summit Ambulatory Surgical Center, LLCAvailable with a free account
+8 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Carol K. Tweed is one of 157 medical oncologists in Maryland

Medical oncology is Dr. Tweed's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dmand AI has Dr. Tweed's licenses on file in 2 states: Maryland and Pennsylvania.

Specialties and state licenses

  • Medical oncology, MarylandPrimaryLicense D74092 · taxonomy 207RX0202X
  • Hematology and oncology, PennsylvaniaLicense MD422644 · taxonomy 207RH0003X

Medical oncologists near Dr. Tweed

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

157medical oncologists in Maryland
4medical oncologists in Annapolis

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Carol K. Tweed billed Medicare for 54,688 services in 2024

CMS data shows 54,688 Medicare services from Dr. Tweed across 54 procedure codes in 2024, for 698 Medicare patients. Medicare paid $746,292 for them. Every service was in an office.

Medicare services, 202454,688
Medicare patients698
Paid by Medicare$746,292
Procedure codes54

Dr. Tweed's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 17,8502024: 48,744173%
Lab and pathology
2023: 1,9832024: 2,55029%
Tests and treatments
2023: 1,0512024: 1,92283%
Office and hospital visits
2023: 9662024: 9822%
Other services
2023: 232024: 4711948%
Surgery
2023: 262024: 1927%

Dr. Tweed compared with the Maryland median for medical oncologists, 2024

  • Dr. Tweed
  • Maryland median
Medicare services
54,688vs 422129.6 times
Medicare patients
698vs 1434.9 times
Part D claims
989vs 1188.4 times

Medians across 124 medical oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Tweed'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. Tweed

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tweed and other medical oncologists in Maryland.

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

Dr. Carol K. Tweed treated 698 Medicare patients in 2024, average age 75

CMS counts 698 Medicare patients who saw Dr. Tweed in 2024. The largest group is 65 to 74, with 330 patients. 75% of them have high cholesterol, and 71% have cancer. 3% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tweed's median patient age at 62, with 91% women.

Medicare patients, 2024698
Average age75
Average risk score1.41
Also on Medicaid3%

Dr. Tweed's Medicare patients by age, 2024

Dr. Tweed's Medicare patients by sex, 2024

  • Women57883%
  • Men12017%

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

  1. High cholesterol75%
  2. Cancer71%
  3. High blood pressure69%
  4. Arthritis50%
  5. Anxiety26%
  6. Mood disorders24%
  7. Diabetes23%
  8. Osteoporosis22%

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

Dr. Tweed's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women91%
  • Men7%

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

Dr. Carol K. Tweed wrote 1,265 Medicare Part D claims in 2024

In 2024, Dr. Tweed wrote 1,265 Medicare Part D claims for 220 patients. 82% of them were for generic drugs. CMS names the drug for 989 of them, across 28 drugs with 11 or more claims each, at $1,125,675 in total drug cost. In 2023, CMS named 548 claims across 22 drugs.

Part D claims, 20241,265
Drugs named by CMS28
Total drug cost$1.1M
Part D patients220

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

  • Generic1,037 claims82%
  • Brand-name and other228 claims18%

Dr. Tweed'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. Tweed's Part D claims, 2024

  • Opioids3%36 of 1,265 claims
  • Antibiotics2%31 of 1,265 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: 5482024: 98980%

Drugs named by CMS: 28 in 2024, 22 in 2023.

See all prescribing by Dr. Tweed

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. Carol K. Tweed scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Tweed for performance year 2024, reported individually. Dr. Tweed accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tweed as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Tweed's MIPS scores, performance year 2024

  • 97of 100Final score
  • 94.7of 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. Carol K. Tweed has 4 publications on record

Dmand AI links 4 papers to Dr. Tweed, published from 2021 to 2022. The most frequent topics are Breast Neoplasms and Receptor, ErbB-2. Dr. Tweed's most frequent co-authors are Rubie Sue Jackson, MD, Lorraine Tafra, MD and Carey Kernodle Anders, MD.

Papers4
Years published2021 to 2022

Topics Dr. Tweed writes about most

  • Breast Neoplasms
  • Receptor, ErbB-2

Dr. Tweed's most frequent co-authors

Recent publications by Dr. Tweed

See all 4 publications and co-authors

See who Dr. Tweed researches with

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

How network discovery works

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

Dr. Carol K. Tweed has worked on 7 clinical trials

Dmand AI links Dr. Tweed to 7 clinical trials, 4 of them phase 3 studies. 6 are still active or recruiting. Conditions studied include Breast Neoplasms, Neoplasm Metastasis and Breast Carcinoma In Situ. National Cancer Institute (NCI) sponsors the most, 2. Open Payments lists research payments to Dr. Tweed that name 1 trial.

Clinical trials with Dr. Tweed by phase

  1. NonePhase 1: no trials
  2. 2Phase 2: 2 trials
  3. 4Phase 3: 4 trials
  4. NonePhase 4: no trials

Conditions in Dr. Tweed's trials

  • Breast Neoplasms
  • Neoplasm Metastasis
  • Breast Carcinoma In Situ
  • Breast Neoplasms, Male
  • Ovarian Neoplasms

Investigators on the most trials with Dr. Tweed

Recent clinical trials with Dr. Tweed

See all 7 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Carol K. Tweed received $127,242 in industry payments from 2016 to 2025

CMS Open Payments shows 168 general payments to Dr. Tweed from 31 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Seagen Inc. paid the most, $62,335. It also lists 1 research payment totaling $18,246 in 2022, naming 1 clinical trial.

General payments to Dr. Tweed by program year, 2016 to 2025

General payments to Dr. Tweed by kind, 2016 to 2025

$127.2Kin total
  • Speaker and faculty fees$57,15045%
  • Consulting fees$54,53943%
  • Travel and lodging$10,2588%
  • Food and beverage$3,3093%
  • Other$1,9872%

Companies that paid Dr. Tweed the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tweed

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

Dr. Carol K. Tweed graduated from Washington University School of Medicine

Dr. Tweed graduated from Washington University School of Medicine in 2001.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Carol K. Tweed'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Carol K. Tweed

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. Carol K. Tweed's NPI number?

Dr. Carol K. Tweed's NPI number is 1649219155. It was assigned on June 6, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Carol K. Tweed?

Dr. Carol K. Tweed is a medical oncologist in Annapolis, Maryland. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Carol K. Tweed practice?

Dr. Tweed practices at 810 Bestgate Rd, Annapolis, MD 21401. Dr. Tweed's primary practice is Summit Ambulatory Surgical Center, LLC in Annapolis, Maryland. Dmand AI also links Dr. Tweed to 3 hospitals, 3 group practices and clinics, 2 medical groups and 1 hospice.

What is Dr. Carol K. Tweed's office phone number?

The practice phone on file for Dr. Tweed is (855) 405-7100.

What is Dr. Carol K. Tweed's medical license number?

Dr. Tweed holds Maryland license D74092, one of the licenses on file in 2 states.

Which states has Dr. Carol K. Tweed been licensed in?

Dmand AI has state licenses on file for Dr. Tweed in Maryland and Pennsylvania.

Which hospitals is Dr. Carol K. Tweed affiliated with?

Dr. Tweed is affiliated with Luminis Health Anne Arundel Medical Center. Dmand AI links Dr. Tweed to 3 more hospitals.

What medical group is Dr. Carol K. Tweed part of?

Dr. Tweed is linked to UM Community Medical Group. Dmand AI links Dr. Tweed to 2 more medical groups.

Does Dr. Carol K. Tweed accept Medicare?

Yes. CMS data shows Dr. Tweed billed Medicare for 54,688 services in 2024, and Dr. Tweed accepts Medicare assignment.

Does Dr. Carol K. Tweed offer telehealth?

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

Show 9 more questionsShow fewer questions

What is Dr. Carol K. Tweed's MIPS score?

Dr. Tweed's MIPS final score for performance year 2024 is 97 out of 100, reported individually.

How many Medicare patients does Dr. Carol K. Tweed see?

CMS counts 698 Medicare patients who saw Dr. Tweed in 2024, with an average age of 75.

What services does Dr. Carol K. Tweed bill to Medicare?

In 2024, Dr. Tweed's most billed Medicare services were injected or infused drug (J0881), injected or infused drug (J9271) and injected or infused drug (J0185).

Where did Dr. Carol K. Tweed go to medical school?

Dr. Tweed graduated from Washington University School of Medicine in 2001.

What drugs does Dr. Carol K. Tweed prescribe most?

In 2024 Medicare Part D data, Dr. Tweed's most prescribed drugs by claims were Anastrozole, Alendronate Sodium and Exemestane.

Has Dr. Carol K. Tweed received payments from drug or device companies?

CMS Open Payments shows $127,242 in general payments to Dr. Tweed from 31 companies from 2016 to 2025. The largest total came from Seagen Inc.

How long has Dr. Carol K. Tweed been practicing?

Dr. Tweed graduated from medical school in 2001, 25 years ago.

Does Dr. Carol K. Tweed do research?

Dmand AI links 4 publications to Dr. Tweed, published from 2021 to 2022. Dr. Tweed has worked on 7 clinical trials.

Who does Dr. Carol K. Tweed publish with?

Dr. Tweed's most frequent co-authors are Rubie Sue Jackson, MD (2 shared papers), Lorraine Tafra, MD (2 shared papers) and Carey Kernodle Anders, MD (1 shared paper).

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