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Edit this profileMary P. Howell, MD practices internal medicine in Hagerstown, MD. Mary is a 1985 graduate of West Virginia University School of Medicine. According to Medicare claims data, Mary cared for 1,583 Medicare patients across 74,489 services. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, romosozumab-aqqg, 1 mg, and injection, denosumab, 1 mg. The provider's National Provider Identifier (NPI) is 1821058710.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
346 MILL ST
Hagerstown, MD 21740
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
74,489 services · 1,583 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
175 | As often as other peers in Internal Medicine |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
26 | Less often than most peers in Internal Medicine |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
24 | As often as other peers in Internal Medicine |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
15 | Less often than most peers in Internal Medicine |
| Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment | Imaging | 77085 |
137 | More often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
616 | More than most peers in Internal Medicine |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
123 | More often than most peers in Internal Medicine |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
77 | As often as other peers in Internal Medicine |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
33 | Less often than most peers in Internal Medicine |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
30,200 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Howell is an internist in Hagerstown, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Howell is listed at 346 Mill St, Hagerstown, MD 21740. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 791-6680. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Howell's National Provider Identifier is 1821058710. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Howell attended West Virginia University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Howell has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Howell performs procedures including insertion of needle into vein for collection of blood sample, aspiration and/or injection of fluid large joint using ultrasound guidance and aspiration and/or injection of fluid from large joint; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine including spine fracture assessment; provides treatments such as injection of drug or substance under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Howell. If this is you, claiming it is free.
Guide.md
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