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DR. STEPHEN VACCAREZZA M.D.
NPI 1861488314
Internal Medicine - Nephrology in Rockville, MD

Active since September 21, 2005PECOS EnrolledAccepts Medicare Assignment
6240 MONTROSE RD, ROCKVILLE, MD 20852(301) 231-7111(301) 231-9040 Get Directions Write a Review

NPPES record last updated: October 31, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stephen Vaccarezza M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN VACCAREZZA M.D. (NPI 1861488314) is an individual nephrology provider in Rockville, Maryland, licensed in Maryland (D35103) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of University Of Chicago, Pritzker School Of Medicine (1981).

NPPES Registry Identity

NPI1861488314
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. STEPHEN VACCAREZZACredential: M.D.
Location Address6240 MONTROSE RDRockville, MD 20852-4119
Mailing Address6240 Montrose RdRockville, MD 20852-4119 · (301) 231-7111 · Fax (301) 231-9040
Phone(301) 231-7111
Fax(301) 231-9040
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1981
Enumeration DateSeptember 21, 2005
Last NPPES UpdateOctober 31, 2011
✔ NPI 1861488314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in MD · D35103
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
6240 MONTROSE RD, Rockville, MD 20852
Open in Google Maps ↗

Other Identifiers 4

Other8535MD · Bcbs Of Nca
Medicare UPINA64313MD
Medicare ID-Type Unspecified129736MD
Medicaid282111700MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Vaccarezza M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204985971
PECOS Enrollment IDI20090529000109
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
524 services247 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
311 services51 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
172 services45 patients
Manual urinalysis test with examination using microscope, non-automated 81000
A manual urinalysis test involves studying a urine sample under a microscope. This non-automated method helps identify any abnormal substances present. It's a useful tool for detecting potential health concerns early. The process is simple and non-invasive.
78 services78 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
76 services76 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
74 services15 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210004
Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County
Birthing friendly

Medstar Montgomery Medical Center

Acute Care Hospitals · Olney, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210018
Location18101 Prince Philip DriveOlney, MD 20832 · Montgomery County
Emergency services Birthing friendly

Suburban Hospital

Acute Care Hospitals · Bethesda, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210022
Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County
Emergency services

Adventist Healthcare Shady Grove Medical Center

Acute Care Hospitals · Rockville, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210057
Location9901 Medical Center DriveRockville, MD 20850 · Montgomery County
Emergency services Birthing friendly

Holy Cross Germantown Hospital

Acute Care Hospitals · Germantown, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210065
Location19801 Observation DriveGermantown, MD 20876 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
83%86 patients4/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
96%1,488 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
90%778 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
66%32 patients3/55-star benchmark: 96%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
6%398 patients1/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
27%646 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
5%717 patients1/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 95% · 381 patients
97%381 patients
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
83%707 patients4/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 398 patients
1%398 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers11 claims58 services$6.35 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers37 claims3,615 services$0.30 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers12 claims1,800 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers22 claims2,640 services$0.19 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
4 suppliers21 claims21 services$18.10 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers50 claims57 services$12.04 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JEFFREY ALAN PERLMUTTER M.D.
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111
NEPHROLOGY ASSOCIATES OF MONTGOMERY COUNTY
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111
STEPHEN M HELLMAN MD LLC
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 685-6262
DR. STEPHEN M HELLMAN M.D.
Internal Medicine (Nephrology)
6240 MONTROSE RD
ROCKVILLE, MD 20852
Montgomery County (301) 231-7111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Vaccarezza's NPI number?

The NPI number for Stephen Vaccarezza is 1861488314. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Stephen Vaccarezza located?

Stephen Vaccarezza practices at 6240 Montrose Rd, Rockville, MD 20852. The listed phone number is (301) 231-7111.

What is Stephen Vaccarezza's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Stephen Vaccarezza enrolled in Medicare?

Yes. Stephen Vaccarezza is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Stephen Vaccarezza affiliated with any hospitals?

According to CMS data, Stephen Vaccarezza is affiliated with Holy Cross Hospital, Medstar Montgomery Medical Center, Suburban Hospital, Adventist Healthcare Shady Grove Medical Center and Holy Cross Germantown Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Vaccarezza was last updated on October 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.