Dr. Colleen Mary Leavitt, MD

  • Baltimore, MD
  • Internist
NPI1528042959PAC ID8022098524
Medicare services, 2024
196
Medicare patients, 2024
77
Part D claims, 2024
2,973
Hospital affiliations
2
Medical groups
2
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 6 affiliations

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Dr. Colleen Mary Leavitt is an internist in Baltimore, Maryland

Dr. Leavitt practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Leavitt's NPI, 1528042959, was assigned on November 30, 2005. Dr. Leavitt graduated from Loyola University Chicago Stritch School of Medicine in 1997. Dr. Leavitt holds Maryland license D0061825.

NPI and contact details
Medicare PAC ID
8022098524
NPI enumeration date
November 30, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(855) 662-3017
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Colleen Mary Leavitt practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Leavitt's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

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

Dr. Colleen Mary Leavitt is affiliated with 4 sites of care and 2 medical groups

Dr. Leavitt's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Leavitt is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins Community Physicians. Dmand AI also links Dr. Leavitt to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Leavitt

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

Dmand AI tracks the EHR system at Dr. Colleen Mary Leavitt's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leavitt practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable 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. Colleen Mary Leavitt is one of 3,320 internists in Maryland

Internal medicine is Dr. Leavitt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leavitt is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Leavitt's licenses on file in 3 states: Maryland, Pennsylvania and Illinois.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D0061825 · 2004 to 2026 · taxonomy 207R00000X
  • Pennsylvania license2011 to 2016
  • Illinois license1997 to 2008

Clinical focus

Dmand AI lists acid reflux, acute kidney failure, acute skin infection, alcohol use disorders, aneurysm, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. Leavitt treats.

Internists near Dr. Leavitt

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. Colleen Mary Leavitt billed Medicare for 196 services in 2024

CMS data shows 196 Medicare services from Dr. Leavitt across 2 procedure codes in 2024, for 77 Medicare patients. Medicare paid $1,197 for them. Every service was in an office.

Medicare services, 2024196
Medicare patients77
Paid by Medicare$1,197
Procedure codes2

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

  • 2023
  • 2024
Lab and pathology
2023: 1242024: 19658%

Dr. Leavitt compared with the Maryland median for internists, 2024

  • Dr. Leavitt
  • Maryland median
Medicare services
196vs 65670% below
Medicare patients
77vs 25169% below
Part D claims
2,458vs 3098.0 times

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

Dr. Leavitt'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. Leavitt

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

Dr. Colleen Mary Leavitt treated 77 Medicare patients in 2024, average age 67

CMS counts 77 Medicare patients who saw Dr. Leavitt in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have diabetes, and 75% have high blood pressure. 58% are also on Medicaid. Their average risk score is 2.22, 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. Leavitt's median patient age at 68, with 73% women.

Medicare patients, 202477
Average age67
Average risk score2.22
Also on Medicaid58%

Dr. Leavitt's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Leavitt's Medicare patients by sex, 2024

  • Women5875%
  • Men1925%

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

  1. Diabetes75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Chronic kidney disease48%
  5. Arthritis40%
  6. Heart failure40%
  7. Mood disorders34%
  8. Depression29%

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

Dr. Leavitt'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

  • Women73%
  • Men26%

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

Dr. Colleen Mary Leavitt wrote 2,973 Medicare Part D claims in 2024

In 2024, Dr. Leavitt wrote 2,973 Medicare Part D claims for 329 patients. 85% of them were for generic drugs. CMS names the drug for 2,458 of them, across 57 drugs with 11 or more claims each, at $290,876 in total drug cost. In 2023, CMS named 2,286 claims across 54 drugs.

Part D claims, 20242,973
Drugs named by CMS57
Total drug cost$290,876
Part D patients329

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

  • Generic2,521 claims85%
  • Brand-name426 claims14%
  • Other26 claims1%

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

  • Opioids3%76 of 2,973 claims
  • Antibiotics0%13 of 2,973 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: 2,2862024: 2,4588%

Drugs named by CMS: 57 in 2024, 54 in 2023.

See all prescribing by Dr. Leavitt

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. Colleen Mary Leavitt offers telehealth to Medicare patients

Dr. Leavitt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leavitt as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Colleen Mary Leavitt graduated from Loyola University Chicago Stritch School of Medicine

Dr. Leavitt graduated from Loyola University Chicago Stritch School of Medicine in 1997. Dr. Leavitt is a member of ACP.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pediatricsAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. Colleen Mary Leavitt accepts plans from 16 insurance carriers

Dr. Leavitt is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Leavitt accepts, by number of carriers

  1. HMO9
  2. PPO9
  3. Medicare5
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Colleen Mary Leavitt'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 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)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Colleen Mary Leavitt

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. Colleen Mary Leavitt's NPI number?

Dr. Colleen Mary Leavitt's NPI number is 1528042959. It was assigned on November 30, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Colleen Mary Leavitt?

Dr. Colleen Mary Leavitt is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Colleen Mary Leavitt practice?

Dr. Leavitt practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Leavitt's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Leavitt to 1 hospital, 1 community health center and 1 medical group.

What is Dr. Colleen Mary Leavitt's office phone number?

The practice phone on file for Dr. Leavitt is (855) 662-3017.

What is Dr. Colleen Mary Leavitt's medical license number?

Dr. Leavitt holds Maryland license D0061825, one of the licenses on file in 3 states.

Which states has Dr. Colleen Mary Leavitt been licensed in?

Dmand AI has state licenses on file for Dr. Leavitt in Maryland (2004 to 2026), Pennsylvania (2011 to 2016) and Illinois (1997 to 2008).

Which hospitals is Dr. Colleen Mary Leavitt affiliated with?

Dr. Leavitt is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Leavitt to 1 more hospital.

What medical group is Dr. Colleen Mary Leavitt part of?

Dr. Leavitt is linked to Johns Hopkins Community Physicians. Dmand AI links Dr. Leavitt to 1 more medical group.

Does Dr. Colleen Mary Leavitt accept Medicare?

Yes. CMS data shows Dr. Leavitt billed Medicare for 196 services in 2024, and Dr. Leavitt accepts Medicare assignment.

Does Dr. Colleen Mary Leavitt offer telehealth?

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

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Colleen Mary Leavitt see?

CMS counts 77 Medicare patients who saw Dr. Leavitt in 2024, with an average age of 67.

Is Dr. Colleen Mary Leavitt board certified?

Yes. Dr. Leavitt is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Colleen Mary Leavitt bill to Medicare?

In 2024, Dr. Leavitt's most billed Medicare services were lab and pathology test (82962) and lab and pathology test (83036).

Where did Dr. Colleen Mary Leavitt go to medical school?

Dr. Leavitt graduated from Loyola University Chicago Stritch School of Medicine in 1997.

What drugs does Dr. Colleen Mary Leavitt prescribe most?

In 2024 Medicare Part D data, Dr. Leavitt's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metoprolol Succinate.

How long has Dr. Colleen Mary Leavitt been practicing?

Dr. Leavitt graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Colleen Mary Leavitt accept?

Dr. Leavitt is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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