Physician Profile
John M. Ruddy, MD
Unclaimed ProfileAbout Dr. Ruddy
Based in Cambridge, MN, John M. Ruddy, MD is listed in the NPI registry under internal medicine. John graduated from University of Minnesota Medical School in 2002. Medicare claims data shows John provided 2,119 services to 1,472 patients.
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
Source: NPPES NPI Registry
Contact Information
- (763) 689-8700
- Email not available
Practice Locations
701 DELLWOOD ST S
Cambridge, MN 55008
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI in children
Cardiometabolic
- High Blood Pressure
- High Cholesterol
Digestive and liver
- Acid Reflux
- Fatty Liver Disease
- Irritable Bowel Syndrome
Endocrine, blood, and bone
- Gout
Infectious disease
- Shingles
Kidney and urinary
- Chronic Kidney Disease
- Enlarged Prostate
Respiratory
- Asthma
- Bronchitis
- COPD
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
- Overactive Bladder and Leakage
Lungs & Breathing
- Sleep apnea
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
- Depression
- Migraines
Pain
- Back pain
Rheumatologic and pain
- Osteoarthritis
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication Review and Refills
- Post-Hospital Discharge Visit
Screening and diagnostic testing
- Child lung function test
- EKG Test
Bones & Joints
- Trigger Point Injections
Brain and nerves
- Epley Maneuver
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
- Tetanus shot
Lab tests
- Urine test for UTI
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Boil and abscess drainage
- Earwax Removal
- Freezing skin lesions
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking Cessation Counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
2,119 services · 1,472 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
252 |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
55 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
55 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
39 |
| Influenza vaccine, inactivated | Treatment | 90653 |
36 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
30 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
28 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
28 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
466 |
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.
Related specialists at this location 8
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.
Other internal medicines in Cambridge 2
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Minnesota Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ruddy?
Dr. Ruddy is an internal medicine in Cambridge, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Ruddy's address?
Dr. Ruddy is listed at 701 DELLWOOD ST S, Cambridge, MN 55008. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ruddy?
The number on file is (763) 689-8700. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ruddy?
Dr. Ruddy's National Provider Identifier is 1235190497. 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 Dr. Ruddy train?
Dr. Ruddy attended University of Minnesota Medical School, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ruddy have?
Dr. Ruddy has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ruddy perform?
According to Medicare billing data, Dr. Ruddy performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as test to determine lung volumes using gas dilution or washout and test to measure expiratory airflow and volume changes before and after medication administration, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ruddy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ruddy. 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.