Physician Profile
Marion C. Kowalewski, M.D.
Unclaimed ProfileAbout Dr. Kowalewski
Based in Baltimore, MD, Marion C. Kowalewski, M.D. is listed in the NPI registry under internal medicine. Marion graduated from University of Maryland School of Medicine in 1975. Medicare claims data shows Marion provided 5,235 services to 3,409 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 663-8100
- Email not available
Practice Locations
7602 BELAIR RD
Baltimore, MD 21236
Conditions Commonly Evaluated or Treated
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.
Conditions
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
Procedures & services
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
Procedures Most Often Billed to Medicare
5,235 services · 3,409 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
13 | Less often than most peers in Internal Medicine |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
13 | Less often than most peers in Internal Medicine |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
51 | More often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
415 | More than most peers in Internal Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
236 | More than most peers in Internal Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
61 | More than most peers in Internal Medicine |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
13 | Less often than most peers in Internal Medicine |
| Inhalation treatment for pneumonia | Treatment | 94642 |
12 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,492 | More than most peers in Internal Medicine |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
1,460 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internists in Baltimore 8
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Marion C. Kowalewski specialize in?
Marion C. Kowalewski is an internist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Marion C. Kowalewski located?
Marion C. Kowalewski is listed at 7602 Belair Rd, Baltimore, MD 21236. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marion C. Kowalewski's phone number?
The number on file is (410) 663-8100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marion C. Kowalewski?
Marion C. Kowalewski's National Provider Identifier is 1538126461. 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
Where did Marion C. Kowalewski train?
Marion C. Kowalewski attended University of Maryland School of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marion C. Kowalewski have?
Marion C. Kowalewski has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does Marion C. Kowalewski do most often?
According to Medicare billing data, Marion C. Kowalewski performs procedures including removal of impacted ear wax and insertion of needle into vein for collection of blood sample; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marion C. Kowalewski's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marion C. Kowalewski. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.