Dr. Barbara K. Estes, MD

  • Prince Frederick, MD
  • OB-GYN
NPI1508998816PAC ID9537118021
Medicare services, 2024
300
Medicare patients, 2024
227
Part D claims, 2024
252
MIPS score, 2024
86
Hospital affiliations
2
Practice address
100 Hospital Road, Prince Frederick, MD 20678
Practice phone
Call (410) 535-8240
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CalvertHealth Medical Center

Hospital · Prince Frederick, Maryland

See all 6 affiliations

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Dr. Barbara K. Estes is an OB-GYN in Prince Frederick, Maryland

Dr. Estes practices at CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth.

Dr. Estes' NPI, 1508998816, was assigned on March 12, 2007. Dr. Estes graduated from George Washington University School of Medicine in 1993. Dr. Estes holds Maryland license D0051686.

NPI and contact details
Medicare PAC ID
9537118021
NPI enumeration date
March 12, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 535-8240
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
59
Medical school graduation
1993

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

Dr. Barbara K. Estes practices at CalvertHealth Medical Center in Prince Frederick, Maryland

Dr. Estes' primary practice is CalvertHealth Medical Center, at 100 Hospital Road, Prince Frederick, MD 20678 in Calvert County. The practice phone is (410) 535-8240.

Source: Dmand AI Affiliation Data

Dr. Barbara K. Estes is affiliated with 4 sites of care and 2 medical groups

Dr. Estes' primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. Dr. Estes is also affiliated with MedStar St. Mary's Hospital. The medical group on file is CalvertHealth Medical Group. Dmand AI also links Dr. Estes to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Estes

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Barbara K. Estes' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Estes practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CalvertHealth Medical CenterAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Barbara K. Estes is one of 945 OB-GYNs in Maryland

Obstetrics and gynecology is Dr. Estes' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Estes is licensed in Maryland.

Specialties and state licenses

  • Obstetrics and gynecology, MarylandPrimaryLicense D0051686 · taxonomy 207V00000X

OB-GYNs near Dr. Estes

Counts of OB-GYNs 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. Barbara K. Estes billed Medicare for 300 services in 2024

CMS data shows 300 Medicare services from Dr. Estes across 5 procedure codes in 2024, for 227 Medicare patients. Medicare paid $4,693 for them. Every service was in an office.

Medicare services, 2024300
Medicare patients227
Paid by Medicare$4,693
Procedure codes5

Dr. Estes' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 2472024: 2278%
Office and hospital visits
2023: 642024: 5613%
Other services
2023: 1682024: 1790%

Dr. Estes compared with the Maryland median for OB-GYNs, 2024

  • Dr. Estes
  • Maryland median
Medicare services
300vs 674.5 times
Medicare patients
227vs 564.1 times
Part D claims
119vs 284.3 times

Medians across 788 OB-GYNs in Maryland with Dmand AI profiles that report each measure.

Dr. Estes' 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. Estes

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

Dr. Barbara K. Estes treated 227 Medicare patients in 2024, average age 72

CMS counts 227 Medicare patients who saw Dr. Estes in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.73, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Estes' median patient age at 47, with 99% women.

Medicare patients, 2024227
Average age72
Average risk score0.73

Dr. Estes' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Estes' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis55%
  4. Diabetes22%
  5. Osteoporosis22%
  6. Anxiety21%
  7. Cancer19%
  8. Mood disorders18%

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

Dr. Estes' patients across all payers

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

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women99%
  • Men0%

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

Dr. Barbara K. Estes wrote 252 Medicare Part D claims in 2024

In 2024, Dr. Estes wrote 252 Medicare Part D claims for 87 patients. 80% of them were for generic drugs. CMS names the drug for 119 of them, across 5 drugs with 11 or more claims each, at $6,353 in total drug cost. In 2023, CMS named 41 claims across 2 drugs.

Part D claims, 2024252
Drugs named by CMS5
Total drug cost$6,353
Part D patients87

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

  • Generic202 claims80%
  • Brand-name50 claims20%

Dr. Estes' 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: 412024: 119190%

Drugs named by CMS: 5 in 2024, 2 in 2023.

See all prescribing by Dr. Estes

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. Barbara K. Estes scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Estes for performance year 2024, reported as part of a group. Dr. Estes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Estes' MIPS scores, performance year 2024

  • 86of 100Final score
  • 74.5of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 81of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Barbara K. Estes received $1,289 in industry payments from 2016 to 2025

CMS Open Payments shows 60 general payments to Dr. Estes from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Duchesnay USA Incorporated paid the most, $221.

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

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

$1.3Kin total
  • Food and beverage$1,28299%
  • Education$71%

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

Share is of all general payments to this clinician.

See all payments to Dr. Estes

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

Dr. Barbara K. Estes graduated from George Washington University School of Medicine

Dr. Estes graduated from George Washington University School of Medicine in 1993.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Barbara K. Estes'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (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. Barbara K. Estes

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. Barbara K. Estes' NPI number?

Dr. Barbara K. Estes' NPI number is 1508998816. It was assigned on March 12, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Barbara K. Estes?

Dr. Barbara K. Estes is an OB-GYN in Prince Frederick, Maryland. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Barbara K. Estes practice?

Dr. Estes practices at 100 Hospital Road, Prince Frederick, MD 20678. Dr. Estes' primary practice is CalvertHealth Medical Center in Prince Frederick, Maryland, part of CalvertHealth. Dmand AI also links Dr. Estes to 2 group practices and clinics and 1 medical group.

What is Dr. Barbara K. Estes' office phone number?

The practice phone on file for Dr. Estes is (410) 535-8240.

What is Dr. Barbara K. Estes' medical license number?

Dr. Estes holds Maryland license D0051686.

Which hospitals is Dr. Barbara K. Estes affiliated with?

Dr. Estes practices at CalvertHealth Medical Center in Prince Frederick, Maryland. Dr. Estes is also affiliated with MedStar St. Mary's Hospital.

What medical group is Dr. Barbara K. Estes part of?

Dr. Estes is linked to CalvertHealth Medical Group. Dmand AI links Dr. Estes to 1 more medical group.

Does Dr. Barbara K. Estes accept Medicare?

Yes. CMS data shows Dr. Estes billed Medicare for 300 services in 2024, and Dr. Estes accepts Medicare assignment.

What is Dr. Barbara K. Estes' MIPS score?

Dr. Estes' MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Barbara K. Estes see?

CMS counts 227 Medicare patients who saw Dr. Estes in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

What services does Dr. Barbara K. Estes bill to Medicare?

In 2024, Dr. Estes' most billed Medicare services were lab and pathology test (82270), office visit, established patient (99213) and lab and pathology test (81002).

Where did Dr. Barbara K. Estes go to medical school?

Dr. Estes graduated from George Washington University School of Medicine in 1993.

What drugs does Dr. Barbara K. Estes prescribe most?

In 2024 Medicare Part D data, Dr. Estes' most prescribed drugs by claims were Estradiol, Tolterodine Tartrate and Zolpidem Tartrate.

Has Dr. Barbara K. Estes received payments from drug or device companies?

CMS Open Payments shows $1,289 in general payments to Dr. Estes from 22 companies from 2016 to 2025. The largest total came from Duchesnay USA Incorporated.

How long has Dr. Barbara K. Estes been practicing?

Dr. Estes graduated from medical school in 1993, 33 years ago.

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