Physician Profile
Joseph J. Sliwkowski, MD
Unclaimed ProfileAbout Dr. Sliwkowski
Based in Marlborough, MA, Joseph J. Sliwkowski, MD is listed in the NPI registry under preventive medicine. Joseph is also listed as specializing in family medicine and occupational medicine. According to Medicare claims data, Joseph cared for 224 Medicare patients across 247 services. 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, detection test by immunoassay technique for influenza virus, 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.
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
- (508) 251-7262
- Email not available
Practice Locations
5 MOUNT ROYAL AVE
Marlborough, MA 01752
Conditions Commonly Evaluated or Treated
Within Preventive 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
Addiction & habits
- Alcohol use disorder
- Quitting smoking
Blood sugar
- Prediabetes
Bone & joint
- Osteoporosis
Brain health
- Mild cognitive impairment
Cancer risk
- Family History Of Cancer
Digestive health
- Gut Health Issues
Environmental health
- Asbestos Exposure
- Heavy Metal Toxicity
- Tick bite and Lyme disease risk
- Toxic Mold Exposure
- Workplace Chemical Exposure
General wellness
- Chronic Inflammation
Heart health
- Coronary artery disease
- Heart Disease Risk
- High blood pressure
- High cholesterol
- Poor Circulation
Hormones
- Hormone Imbalance
- Testosterone deficiency
- Underactive Thyroid
Kidney health
- Early Kidney Damage
Lifestyle & wellness
- Chronic fatigue
- Chronic Stress And Burnout
Liver & digestion
- Fatty liver disease
Longevity
- Accelerated Biological Aging
Metabolic health
- Gout
Nutrition & deficiencies
- Iron-deficiency anemia
- Vitamin B12 deficiency
Nutrition & deficiency
- Food Intolerances And Sensitivities
- Vitamin D deficiency
Occupational health
- Asbestos and mineral dust exposure
- Shift Work Sleep Problems
- Work-Related Back Strain
Preventive care
- Balance Problems and Fall Risk
Sexual health
- STI Risk And Exposure
Sleep health
- Insomnia and Sleep Problems
- Sleep apnea
Substance use
- Opioid use disorder
- Vaping And Nicotine Addiction
Travel health
- Travel-related Infection Risk
Weight & metabolism
- Insulin Resistance
- Metabolic syndrome
- Obesity
Workplace health
- Carpal tunnel
- Noise-Induced Hearing Damage
- Repetitive strain injury
- Work-related Injury
Procedures & services
Addiction & habits
- Alcohol Reduction Counseling
- Smoking cessation program
Cancer screening
- Cancer screening and prevention planning
- Low-dose CT lung cancer screening
- Mammogram Referral
- Pap smear
- Prostate cancer blood test
- Screening colonoscopy
- Skin cancer screening
Checkups & exams
- Annual Wellness Exam
- Executive Physical Exam
Environmental health
- Heavy Metal Blood Test
- Lead blood test
- Mold Toxicity Testing
Fitness & body composition
- DEXA Body Composition Scan
- VO2 Max Test
Heart health
- Blood Pressure Check
Immunizations
- COVID-19 Booster
- Flu shot
- Hepatitis Screening And Vaccine
- HPV vaccine
- Pneumonia shot
- Routine Vaccines
- Tetanus shot
Lab tests
- Routine blood work
- STI Screening Panel
Lifestyle & wellness
- Exercise Prescription
- Medical nutrition therapy
- Mindfulness-based stress reduction
Longevity
- Biological Age Test
Metabolic health
- Continuous Glucose Monitor Prescription
Occupational health
- Return To Work Evaluation
Preventive imaging
- Abdominal Aortic Aneurysm Screening
- Full Body MRI Scan
Screening & labs
- Bone Density Scan Referral
- Cholesterol screening
- Diabetes and prediabetes screening
- Food Sensitivity Testing
- Genetic Health Risk Testing
- Heart Calcium Score
- Hormone Panel Testing
- Tuberculosis Blood Test
Sexual health
- PrEP prescription
Travel health
- Travel Vaccines And Consult
Weight & metabolism
- Weight Loss Injections and Medication
Workplace health
- DOT Physical Exam
- Ergonomic Workstation Evaluation
- Hearing Test For Work
- Pre-Employment Physical
- Respirator Fit Testing
- Return To Work Clearance
- Workplace Drug Test
Procedures Most Often Billed to Medicare
247 services · 224 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 | |
| Detection test by immunoassay technique for influenza virus | Lab test | 87400 |
46 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
36 | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
33 | As often as other peers in Preventive Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
27 | As often as other peers in Preventive Medicine |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
23 | |
| Automated urinalysis test | Lab test | 81003 |
18 | |
| Detection test by immunoassay technique for streptococcus, group a (strep) | Lab test | 87430 |
15 |
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.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Dr. Sliwkowski's specialty?
Dr. Sliwkowski is a preventive medicine in Marlborough, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Sliwkowski?
Dr. Sliwkowski is listed at 5 Mount Royal Ave, Marlborough, MA 01752. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Sliwkowski?
The number on file is (508) 251-7262. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sliwkowski's NPI number?
Dr. Sliwkowski's National Provider Identifier is 1861452294. 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
How long has Dr. Sliwkowski been practicing?
Dr. Sliwkowski has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Sliwkowski known for?
According to Medicare billing data, Dr. Sliwkowski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sliwkowski confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sliwkowski. 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.