2026 NPPES data Urology Physician NPI 1396351664 CRNP
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SANDRA RIZZO, CRNP

Urology Physician in FREDERICK, Maryland. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
2K
Medicare Part D claims · 413 beneficiaries · Urology Physician avg: 1K
Industry payments
$6.2K
87 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

SANDRA RIZZO, CRNP filed 1,945 Medicare Part D claims in 2023 as a Urology Physician in FREDERICK, Maryland.

2K
Part D claims, 2023
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

SANDRA RIZZO, CRNP's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

1,945 Top 16% higher than 84% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). This entry sits in this band. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

SANDRA RIZZO, CRNP practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about SANDRA RIZZO, CRNP?

Quality data not reported

NPI registry status

Active

Issued 09/21/2020

NPI 1396351664

Primary specialty

Urology Physician

Mid-sized

13,350 US NPIs in this specialty

Medicare Part D claims

1,945 52% vs specialty avg

2023 prescription claims

Specialty avg: 1,280

Specialty distribution in Maryland

How Urology Physician compares to other specialties among Maryland providers

Maryland providers

Urology Physician share within Maryland

1. Urology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Urology Physician share within Maryland

Specialty board-certification context

Estimated specialty board-certified rate — Urology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Urology Physician ABMS/AOA estimate

Est. board-certified rate (Urology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Urology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

SANDRA RIZZO, CRNP appears in the CMS NPPES registry as a Urology Physician provider holding CRNP credentials at 77 THOMAS JOHNSON DR STE K, FREDERICK, MD, 21702, with a listed phone of (301) 662-4868. NPI 1396351664 was issued on 09/21/2020. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what RIZZO most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 1,945 prescription claims written by this provider, covering 413 Medicare beneficiaries and totaling roughly $453K in drug spend, with an opioid prescribing rate of 0.8%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Urology Physician is a mid-sized specialty nationwide, with 13,350 enrolled providers across 54 states and an average of 1,280 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

77 THOMAS JOHNSON DR STE K
FREDERICK, MD 21702

Provider Details

NPI 1396351664
Specialty Urology Physician
Credentials CRNP
Gender Female
NPI Issued 09/21/2020

Hospital and facility affiliations

Facilities where SANDRA RIZZO, CRNP bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

MNR INDUSTRIES, LLC
WESTMINSTER, MD

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for SANDRA RIZZO, CRNP. Source: openpaymentsdata.cms.gov.

Total received

$6.2K

Largest payer

Axonics, Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

1,945
Total Claims
$453K
Total Drug Cost
413
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,887
Total Day Supply
105,155
Generic Drug Cost
$78K
Opioid Claims
15 (0.8% rate)
Antibiotic Claims
533

Patient Demographics

Average Patient Age
74.7 years
Avg HCC Risk Score
1.29
Gender Split
72% female / 28% male
Age Distribution
<65: 33, 65-74: 165, 75-84: 163, 85+: 52

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What SANDRA RIZZO, CRNP prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Myrbetriq
Mirabegron
172
Tamsulosin Hcl
169
Gemtesa
Vibegron
168
Estradiol
158
Cephalexin
132
Solifenacin Succinate
117
Nitrofurantoin Mono-Macro
Nitrofurantoin Monohyd/M-Cryst
97
Finasteride
74
Sulfamethoxazole-Trimethoprim
Sulfamethoxazole/Trimethoprim
74
Methenamine Hippurate
72

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Urology Physician Overview

How SANDRA RIZZO, CRNP fits within the Urology Physician landscape nationally.

13,350
Urology Physician Providers in US
54
States with Urology Physician
1,280
Avg Claims per Provider

SANDRA RIZZO, CRNP's 1,945 claims are above the specialty average of 1,280.

Nearby Urology Physician Providers in Maryland

Other clinicians with the same primary specialty enrolled in Maryland, drawn from the same CMS NPPES roster as RIZZO.

Compare Urology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is SANDRA RIZZO, CRNP's specialty?
SANDRA RIZZO, CRNP specializes in Urology Physician and practices in FREDERICK, Maryland. Credentials: CRNP.
How much does SANDRA RIZZO, CRNP prescribe under Medicare Part D?
In 2023, SANDRA RIZZO, CRNP wrote 1,945 Medicare Part D claims totaling $453K in drug costs for 413 beneficiaries.
Where is SANDRA RIZZO, CRNP located?
SANDRA RIZZO, CRNP is located at 77 THOMAS JOHNSON DR STE K, FREDERICK, MD, 21702. Phone: (301) 662-4868.
What is SANDRA RIZZO, CRNP's NPI number?
SANDRA RIZZO, CRNP's National Provider Identifier (NPI) is 1396351664, issued on 09/21/2020.
Does SANDRA RIZZO, CRNP prescribe opioids?
Yes, SANDRA RIZZO, CRNP had 15 opioid claims in 2023 with an opioid prescribing rate of 0.8%.
How many Urology Physician providers are there in the US?
There are 13,350 Urology Physician providers across 54 states in the US. The average Urology Physician provider writes 1,280 Medicare Part D claims per year.
What drugs does SANDRA RIZZO, CRNP prescribe most often?
Based on 2023 Medicare Part D data, SANDRA RIZZO, CRNP's most frequently prescribed drugs include Myrbetriq, Tamsulosin Hcl, Gemtesa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SANDRA RIZZO, CRNP accept Medicare?
SANDRA RIZZO, CRNP appears in CMS Medicare data with 1,945 Part D claims and 413 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SANDRA RIZZO, CRNP's credentials?
SANDRA RIZZO, CRNP's NPI is 1396351664 with credentials CRNP. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology