Dr. Mary Patrice Howell, MD
- Medicare services, 2024
- 74,489
- Medicare patients, 2024
- 738
- Part D claims, 2024
- 742
- Clinical trials
- 5
- MIPS score, 2024
- 100
- Practice address
- 346 Mill St, Hagerstown, MD 21740
- Practice phone
- Call (301) 791-6680
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Klein and Associates MD PA
Hagerstown, Maryland
Find Dr. Howell's professional email, personal email and mobile number
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Dr. Mary Patrice Howell is an internist in Hagerstown, Maryland
Dr. Howell practices at Klein and Associates MD PA in Hagerstown, Maryland.
Dr. Howell's NPI, 1821058710, was assigned on March 24, 2006. Dr. Howell graduated from West Virginia University School of Medicine in 1985. Dr. Howell holds Maryland license D0046075.
- NPI
- 1821058710NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335169416
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 791-6680
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Patrice Howell practices at Klein and Associates MD PA in Hagerstown, Maryland
Dr. Howell's primary practice is Klein and Associates MD PA, at 346 Mill St, Hagerstown, MD 21740 in Washington County. The practice phone is (301) 791-6680.
- Klein and Associates MD PA346 Mill St, Hagerstown, MD 21740 · Washington CountyPhone(301) 791-6680
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mary Patrice Howell is affiliated with 5 sites of care and 2 medical groups
Dr. Howell's primary practice is Klein and Associates MD PA in Hagerstown, Maryland. Dr. Howell is also affiliated with WellSpan Chambersburg Hospital. The medical group on file is Meritus Radiology. Dmand AI also links Dr. Howell to 1 more hospital, 2 group practices and clinics and 1 medical group, 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. Mary Patrice Howell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Howell practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Klein and Associates MD PA | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Patrice Howell is one of 3,320 internists in Maryland
Internal medicine is Dr. Howell's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Howell is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Howell
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. Mary Patrice Howell billed Medicare for 74,489 services in 2024
CMS data shows 74,489 Medicare services from Dr. Howell across 19 procedure codes in 2024, for 738 Medicare patients. Medicare paid $941,941 for them. Every service was in an office.
Dr. Howell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 124,3612024: 72,49842%
- Tests and treatments
- 2023: 1,3892024: 84939%
- Office and hospital visits
- 2023: 1,2032024: 76536%
- Surgery
- 2023: 3422024: 24030%
- Imaging
- 2023: 2512024: 13745%
Dr. Howell compared with the Maryland median for internists, 2024
- Dr. Howell
- Maryland median
- Medicare services
- 74,489vs 656113.6 times
- Medicare patients
- 738vs 2512.9 times
- Part D claims
- 531vs 30972% above
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Howell'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. Howell and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Patrice Howell treated 738 Medicare patients in 2024, average age 74
CMS counts 738 Medicare patients who saw Dr. Howell in 2024. The largest group is 65 to 74, with 321 patients. 75% of them have arthritis, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Howell's median patient age at 63, with 78% women.
Dr. Howell's Medicare patients by age, 2024
Dr. Howell's Medicare patients by sex, 2024
- Women60682%
- Men13218%
Chronic conditions among Dr. Howell's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure74%
- Osteoporosis65%
- Anxiety32%
- Mood disorders28%
- Diabetes27%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Howell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women78%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Patrice Howell wrote 742 Medicare Part D claims in 2024
In 2024, Dr. Howell wrote 742 Medicare Part D claims for 202 patients. 90% of them were for generic drugs. CMS names the drug for 531 of them, across 17 drugs with 11 or more claims each, at $124,711 in total drug cost. In 2023, CMS named 739 claims across 21 drugs.
Dr. Howell's Part D claims by kind of drug, 2024
- Generic666 claims90%
- Brand-name76 claims10%
Dr. Howell'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. Howell's Part D claims, 2024
- Opioids3%20 of 742 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: 7392024: 53128%
Drugs named by CMS: 17 in 2024, 21 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. Mary Patrice Howell scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Howell for performance year 2024, reported as part of a group. Dr. Howell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Howell's MIPS scores, performance year 2024
- 100of 100Final score
- 99.3of 100Quality
- 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. Mary Patrice Howell has worked on 5 clinical trials
Dmand AI links Dr. Howell to 5 clinical trials. Conditions studied include Axial Spondyloarthritis, Spondylitis, Ankylosing and Cognitive Dysfunction. Eli Lilly and Company sponsors the most, 5. Open Payments lists research payments to Dr. Howell that name 6 trials.
Conditions in Dr. Howell's trials
- Axial Spondyloarthritis
- Spondylitis, Ankylosing
- Cognitive Dysfunction
- Psoriasis
- Ankylosis
Investigators on the most trials with Dr. Howell
- Jeffrey L. Kaine, MD4 shared trials
- Theresa Karplus, MD4 shared trials
- Dominick George Sudano, MD4 shared trials
Recent clinical trials with Dr. Howell
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mary Patrice Howell received $13,863 in industry payments from 2016 to 2025
CMS Open Payments shows 641 general payments to Dr. Howell from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. UCB, Inc. paid the most, $2,422. It also lists 15 research payments totaling $31,776 from 2016 to 2024, naming 6 clinical trials.
General payments to Dr. Howell by program year, 2016 to 2025
General payments to Dr. Howell by kind, 2016 to 2025
- Food and beverage$13,00294%
- Travel and lodging$8626%
Companies that paid Dr. Howell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary Patrice Howell graduated from West Virginia University School of Medicine
Dr. Howell graduated from West Virginia University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Patrice Howell'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Mary Patrice Howell
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What is Dr. Mary Patrice Howell's NPI number?
Dr. Mary Patrice Howell's NPI number is 1821058710. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Patrice Howell?
Dr. Mary Patrice Howell is an internist in Hagerstown, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary Patrice Howell practice?
Dr. Howell practices at 346 Mill St, Hagerstown, MD 21740. Dr. Howell's primary practice is Klein and Associates MD PA in Hagerstown, Maryland. Dmand AI also links Dr. Howell to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mary Patrice Howell's office phone number?
The practice phone on file for Dr. Howell is (301) 791-6680.
What is Dr. Mary Patrice Howell's medical license number?
Dr. Howell holds Maryland license D0046075.
Which hospitals is Dr. Mary Patrice Howell affiliated with?
Dr. Howell is affiliated with WellSpan Chambersburg Hospital. Dmand AI links Dr. Howell to 1 more hospital.
What medical group is Dr. Mary Patrice Howell part of?
Dr. Howell is linked to Meritus Radiology. Dmand AI links Dr. Howell to 1 more medical group.
Does Dr. Mary Patrice Howell accept Medicare?
Yes. CMS data shows Dr. Howell billed Medicare for 74,489 services in 2024, and Dr. Howell accepts Medicare assignment.
What is Dr. Mary Patrice Howell's MIPS score?
Dr. Howell's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mary Patrice Howell see?
CMS counts 738 Medicare patients who saw Dr. Howell in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Mary Patrice Howell bill to Medicare?
In 2024, Dr. Howell's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J3111) and injected or infused drug (J0897).
Where did Dr. Mary Patrice Howell go to medical school?
Dr. Howell graduated from West Virginia University School of Medicine in 1985.
What drugs does Dr. Mary Patrice Howell prescribe most?
In 2024 Medicare Part D data, Dr. Howell's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Methotrexate and Prednisone.
Has Dr. Mary Patrice Howell received payments from drug or device companies?
CMS Open Payments shows $13,863 in general payments to Dr. Howell from 38 companies from 2016 to 2025. The largest total came from UCB, Inc.
How long has Dr. Mary Patrice Howell been practicing?
Dr. Howell graduated from medical school in 1985, 41 years ago.
Does Dr. Mary Patrice Howell do research?
Dr. Howell has worked on 5 clinical trials.
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