2026 NPPES data Adult Health Nurse Practitioner NPI 1891980967 CRNP
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Sharon Demarco, CRNP

Adult Health Nurse Practitioner in Baltimore, Maryland. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 29,492 in Adult Health Nurse Practitioner, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
55
Medicare Part D claims · 22 beneficiaries · Adult Health Nurse Practitioner avg: 1K
Generic prescribing
62%
generic claims · 38% brand-name · higher generic rates reduce patient out-of-pocket costs
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Sharon Demarco, CRNP filed 55 Medicare Part D claims in 2023 as a Adult Health Nurse Practitioner in Baltimore, Maryland, prescribing 62% generic.

55
Part D claims, 2023
62%
generic prescribing

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.

Sharon Demarco, CRNP's Medicare Part D volume vs every U.S. prescriber

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

55 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2K+: 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

What does the federal data show about Sharon Demarco, CRNP?

Quality data not reported

NPI registry status

Active

Issued 09/11/2007

NPI 1891980967

Primary specialty

Adult Health Nurse Practitioner

Mid-sized

29,492 US NPIs in this specialty

Medicare Part D claims

55 95% vs specialty avg

2023 prescription claims

Specialty avg: 1,201

Specialty distribution in Maryland

How Adult Health Nurse Practitioner compares to other specialties among Maryland providers

Maryland providers
Behavior Technician - 14.1%Behavior Technician14.1%Clinical Social Worker - 5.5%Clinical Social Worker5.5%Student in an Organized Health Care Education/Training Program - 4.5%Student in an Organized Health Care Education/Training Program4.5%Home Health Aide - 4.4%Home Health Aide4.4%Physical Therapist - 3.9%Physical Therapist3.9%Pharmacist - 3.6%Pharmacist3.6%Adult Health Nurse Practitioner - 0.6%Adult Health Nurse Practitioner0.6%
Largest specialties in Maryland (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Adult Health Nurse Practitioner. Verify directly:

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).

Sharon Demarco, CRNP appears in the CMS NPPES registry as a Adult Health Nurse Practitioner provider holding CRNP credentials at 5505 HOPKINS BAYVIEW CIR, Baltimore, MD, 21224, with a listed phone of (410) 550-5423. NPI 1891980967 was issued on 09/11/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Demarco 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 55 prescription claims written by this provider, covering 22 Medicare beneficiaries and totaling roughly $6K in drug spend, split 38% brand-name and 62% generic by claim count. 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.

Adult Health Nurse Practitioner is a mid-sized specialty nationwide, with 29,492 enrolled providers across 55 states and an average of 1,201 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

5505 HOPKINS BAYVIEW CIR
Baltimore, MD 21224

Provider Details

NPI 1891980967
Specialty Adult Health Nurse Practitioner
Credentials CRNP
Gender Female
NPI Issued 09/11/2007

Brand vs generic prescribing mix · Above average

Sharon Demarco, CRNP - brand share 38.0%
Adult Health Nurse Practitioner average

38% brand-name claims vs 62% generic, on 55 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

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

55
Total Claims
$6K
Total Drug Cost
22
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
55
Total Day Supply
812
Brand vs Generic
38% brand / 62% generic
Brand Drug Cost
$4K
Generic Drug Cost
$2K

Patient Demographics

Average Patient Age
77.0 years
Avg HCC Risk Score
3.57
Gender Split
50% female / 50% male

Adult Health Nurse Practitioner Overview

How Sharon Demarco, CRNP fits within the Adult Health Nurse Practitioner landscape nationally.

29,492
Adult Health Nurse Practitioner Providers in US
55
States with Adult Health Nurse Practitioner
1,201
Avg Claims per Provider

Sharon Demarco, CRNP's 55 claims are below the specialty average of 1,201.

Nearby Adult Health Nurse Practitioner Providers in Maryland

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

Compare Adult Health Nurse Practitioner nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Maryland medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Adult Health Nurse Practitioner peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Sharon Demarco, CRNP's specialty?
Sharon Demarco, CRNP specializes in Adult Health Nurse Practitioner and practices in Baltimore, Maryland. Credentials: CRNP.
How much does Sharon Demarco, CRNP prescribe under Medicare Part D?
In 2023, Sharon Demarco, CRNP wrote 55 Medicare Part D claims totaling $6K in drug costs for 22 beneficiaries.
Where is Sharon Demarco, CRNP located?
Sharon Demarco, CRNP is located at 5505 HOPKINS BAYVIEW CIR, Baltimore, MD, 21224. Phone: (410) 550-5423.
What is Sharon Demarco, CRNP's NPI number?
Sharon Demarco, CRNP's National Provider Identifier (NPI) is 1891980967, issued on 09/11/2007.
Does Sharon Demarco, CRNP prescribe more brand-name or generic drugs?
Sharon Demarco, CRNP's prescribing is 38% brand-name and 62% generic drugs by claim count, with $4K in brand drug costs.
How many Adult Health Nurse Practitioner providers are there in the US?
There are 29,492 Adult Health Nurse Practitioner providers across 55 states in the US. The average Adult Health Nurse Practitioner provider writes 1,201 Medicare Part D claims per year.
Does Sharon Demarco, CRNP accept Medicare?
Sharon Demarco, CRNP appears in CMS Medicare data with 55 Part D claims and 22 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Sharon Demarco, CRNP's credentials?
Sharon Demarco, CRNP's NPI is 1891980967 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

Compiled from official public sources by the PlainDoctor editorial team.