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- 6240 Montrose Rd, Rockville, MD 20852
About Dr. Vaccarezza
Stephen Vaccarezza, M.D. practices nephrology in Rockville, MD. Stephen is a 1981 graduate of University of Chicago, Pritzker School of Medicine. According to Medicare claims data, Stephen cared for 671 Medicare patients across 1,454 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, dialysis services, 4 or more physician visits per month (20 years or older), and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1861488314.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (301) 231-7111
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
6240 MONTROSE RD
Rockville, MD 20852
Conditions Commonly Evaluated or Treated
Within Nephrology 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
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Medical diet therapy
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
1,454 services · 671 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
311 | More often than most peers in Nephrology |
| Home dialysis services per month (20 years or older) | Treatment | 90966 |
74 | As often as other peers in Nephrology |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
73 | More often than most peers in Nephrology |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
31 | Less often than most peers in Nephrology |
| Dialysis services, 1 physician visit per month (20 years or older) | Treatment | 90962 |
15 | Less often than most peers in Nephrology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
524 | More than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
172 | As often as other peers in Nephrology |
| Manual urinalysis test with examination using microscope, non-automated | Lab test | 81000 |
78 | More often than most peers in Nephrology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
76 | More than most peers in Nephrology |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
44 | More often than most peers in Nephrology |
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 kidney specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other kidney specialists in Rockville 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Stephen Vaccarezza?
Stephen Vaccarezza is a kidney specialist in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Stephen Vaccarezza's address?
Stephen Vaccarezza is listed at 6240 Montrose Rd, Rockville, MD 20852. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Stephen Vaccarezza?
The number on file is (301) 231-7111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Stephen Vaccarezza's NPI number?
Stephen Vaccarezza's National Provider Identifier is 1861488314. 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 Stephen Vaccarezza train?
Stephen Vaccarezza attended University of Chicago, Pritzker School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Stephen Vaccarezza been practicing?
Stephen Vaccarezza has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Stephen Vaccarezza perform?
According to Medicare billing data, Stephen Vaccarezza provides treatments such as dialysis services, 4 or more physician visits per month and home dialysis services per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Stephen Vaccarezza confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Stephen Vaccarezza. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.