Dr. Carolyn Agnes Hammett, MD
- Medicare services, 2024
- 1,605
- Medicare patients, 2024
- 443
- Part D claims, 2024
- 4,626
- Industry payments
- $2,965
- Affiliated sites
- 6
- Practice address
- 13952 Baltimore Ave, Laurel, MD 20707
- Practice phone
- Call (443) 444-5606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Medical Group II
Laurel, Maryland
Find Dr. Hammett'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. Carolyn Agnes Hammett is an internist in Laurel, Maryland
Dr. Hammett practices at Medstar Medical Group II in Laurel, Maryland.
Dr. Hammett's NPI, 1154331908, was assigned on August 8, 2006. Dr. Hammett graduated from University of Maryland School of Medicine in 1988. Dr. Hammett holds Maryland license D0039966.
- NPI
- 1154331908NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426947995
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (443) 444-5606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carolyn Agnes Hammett practices at Medstar Medical Group II in Laurel, Maryland
Dr. Hammett's primary practice is Medstar Medical Group II, at 13952 Baltimore Ave, Laurel, MD 20707 in Prince Georges County. The practice phone is (443) 444-5606.
- Medstar Medical Group II13952 Baltimore Ave, Laurel, MD 20707 · Prince Georges CountyPhone(443) 444-5606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carolyn Agnes Hammett is affiliated with 7 sites of care and 4 medical groups
Dr. Hammett's primary practice is Medstar Medical Group II in Laurel, Maryland. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Hammett to 3 more group practices and clinics, 3 medical groups, 2 home health agencies and 1 physician office, 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. Carolyn Agnes Hammett's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammett practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Medical Group II | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Carolyn Agnes Hammett is one of 3,320 internists in Maryland
Internal medicine is Dr. Hammett's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hammett is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hammett is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Hammett
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. Carolyn Agnes Hammett billed Medicare for 1,605 services in 2024
CMS data shows 1,605 Medicare services from Dr. Hammett across 13 procedure codes in 2024, for 443 Medicare patients. Medicare paid $105,569 for them. Every service was in an office.
Dr. Hammett's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7432024: 7663%
- Other services
- 2023: 3192024: 56276%
- Tests and treatments
- 2023: 2672024: 2603%
- Lab and pathology
- 2023: 152024: 1713%
Dr. Hammett compared with the Maryland median for internists, 2024
- Dr. Hammett
- Maryland median
- Medicare services
- 1,605vs 6562.4 times
- Medicare patients
- 443vs 25176% above
- Part D claims
- 4,032vs 30913.0 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Hammett'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hammett and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carolyn Agnes Hammett treated 443 Medicare patients in 2024, average age 75
CMS counts 443 Medicare patients who saw Dr. Hammett in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hammett's median patient age at 65, with 67% women.
Dr. Hammett's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hammett's Medicare patients by sex, 2024
- Women28665%
- Men15735%
Chronic conditions among Dr. Hammett's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis38%
- Diabetes26%
- Chronic kidney disease24%
- Mood disorders19%
- Cancer18%
- Anxiety16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hammett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women67%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carolyn Agnes Hammett wrote 4,626 Medicare Part D claims in 2024
In 2024, Dr. Hammett wrote 4,626 Medicare Part D claims for 563 patients. 92% of them were for generic drugs. CMS names the drug for 4,032 of them, across 87 drugs with 11 or more claims each, at $194,294 in total drug cost. In 2023, CMS named 2,346 claims across 68 drugs.
Dr. Hammett's Part D claims by kind of drug, 2024
- Generic4,253 claims92%
- Brand-name353 claims8%
- Other20 claims0%
Dr. Hammett'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. Hammett's Part D claims, 2024
- Opioids1%24 of 4,626 claims
- Antibiotics1%38 of 4,626 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: 2,3462024: 4,03272%
Drugs named by CMS: 87 in 2024, 68 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
Dr. Carolyn Agnes Hammett offers telehealth to Medicare patients
Dr. Hammett accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hammett as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Carolyn Agnes Hammett received $2,965 in industry payments from 2016 to 2021
CMS Open Payments shows 174 general payments to Dr. Hammett from 31 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $387.
General payments to Dr. Hammett by program year, 2016 to 2021
Companies that paid Dr. Hammett the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carolyn Agnes Hammett graduated from University of Maryland School of Medicine
Dr. Hammett graduated from University of Maryland School of Medicine in 1988.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Carolyn Agnes Hammett'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. Carolyn Agnes Hammett
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. Carolyn Agnes Hammett's NPI number?
Dr. Carolyn Agnes Hammett's NPI number is 1154331908. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carolyn Agnes Hammett?
Dr. Carolyn Agnes Hammett is an internist in Laurel, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Carolyn Agnes Hammett practice?
Dr. Hammett practices at 13952 Baltimore Ave, Laurel, MD 20707. Dr. Hammett's primary practice is Medstar Medical Group II in Laurel, Maryland. Dmand AI also links Dr. Hammett to 3 group practices and clinics, 3 medical groups, 2 home health agencies and 1 physician office.
What is Dr. Carolyn Agnes Hammett's office phone number?
The practice phone on file for Dr. Hammett is (443) 444-5606.
What is Dr. Carolyn Agnes Hammett's medical license number?
Dr. Hammett holds Maryland license D0039966.
What medical group is Dr. Carolyn Agnes Hammett part of?
Dr. Hammett is linked to MedStar Medical Group. Dmand AI links Dr. Hammett to 3 more medical groups.
Does Dr. Carolyn Agnes Hammett accept Medicare?
Yes. CMS data shows Dr. Hammett billed Medicare for 1,605 services in 2024, and Dr. Hammett accepts Medicare assignment.
Does Dr. Carolyn Agnes Hammett offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hammett as offering telehealth services.
How many Medicare patients does Dr. Carolyn Agnes Hammett see?
CMS counts 443 Medicare patients who saw Dr. Hammett in 2024, with an average age of 75.
Is Dr. Carolyn Agnes Hammett board certified?
Yes. Dr. Hammett is board certified in internal medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Carolyn Agnes Hammett bill to Medicare?
In 2024, Dr. Hammett's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Carolyn Agnes Hammett go to medical school?
Dr. Hammett graduated from University of Maryland School of Medicine in 1988.
What drugs does Dr. Carolyn Agnes Hammett prescribe most?
In 2024 Medicare Part D data, Dr. Hammett's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Carolyn Agnes Hammett received payments from drug or device companies?
CMS Open Payments shows $2,965 in general payments to Dr. Hammett from 31 companies from 2016 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Carolyn Agnes Hammett been practicing?
Dr. Hammett graduated from medical school in 1988, 38 years ago.
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