NPPES file of Aug 9, 2026

Anna Rica Castro, CRNP, FNP-BC

Family Nurse Practitioner · Rockville, MD

Anna Rica Castro, CRNP, FNP-BC is a family nurse practitioner with a practice address in Rockville, Maryland, and NPI 1689449357, issued on Nov 22, 2023. Check the license (Maryland R210445, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689449357
Name
Anna Rica Castro
Credential
CRNP, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
R210445 MD
Self-reported in NPPES; status is on the state search
Practice location
50 W Edmonston Dr, Rockville, MD 20852
Phone
(301) 762-7723
Enumerated
Nov 22, 2023
Record last updated
Apr 6, 2024
Medicare enrollment
Enrolled (PECOS I20240917001716); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →

Also registered at 50 W Edmonston Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Megan BakerBehavior Technician1922994359
  2. Elena Barnaeva, M.AC., L.AC.Acupuncturist1376876086
  3. Mitra Fard, D.D.SDentist1700023629
  4. David Fishkin, DC,MPHChiropractor1023161106
  5. Martin Flaum, DPMPodiatrist1326159211
  6. Lola Fox-Rabinovich, L.AC.Acupuncturist1538312004

Verify Anna Rica Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R210445    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

88 Medicare Part D claims for 25 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Anna Rica Castro88
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $34.25

1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Anna Rica Castro$34.25
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ennoble HC Dmv LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anna Rica Castro among 4,124 family nurse practitioner records in Maryland

Anna Rica Castro, CRNP, FNP-BC is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.

  • NPI issued2023 · 78% of these records are older, 14% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2023 · median 2019 among the 2,370 with a school on file
  • Record last updated2024 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

146 family nurse practitioner records list a practice address in Rockville

They are 146 of the 14,353 NPPES records with a practice address in Rockville, and 4,124 family nurse practitioner records in Maryland.

All 4,124 in Maryland → Every provider in Rockville → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sarah Barfield-Early, MSN, FNP-C, IBCLCNorth Bethesda, MD 208521124443858
  2. Mohamed Barry, CRNP-FNPRockville, MD 208521073987954
  3. Dana Fleischhacker, NPNorth Bethesda, MD 208521881066843
  4. Paule Joseph, FNP, PHDRockville, MD 208521780980201
  5. Sarah Knowlton, FNPNorth Bethesda, MD 208521558716852
  6. Tina Mbatia, CRNP-FAMILYRockville, MD 208521619010154
  7. Masooda Naim, CRNP-FRockville, MD 208521730565607
  8. Kimberly Nieves, FNP-BCNorth Bethesda, MD 208521497799365

Common questions

What is Anna Rica Castro, CRNP, FNP-BC's NPI number?

Anna Rica Castro, CRNP, FNP-BC's National Provider Identifier (NPI) is 1689449357, issued on Nov 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Anna Rica Castro, CRNP, FNP-BC located?

The NPPES record lists a practice address at 50 W Edmonston Dr, Rockville, MD, 20852. Phone: (301) 762-7723. Providers update this record themselves, so call before visiting.

How can I verify Anna Rica Castro, CRNP, FNP-BC's license?

NPPES lists Maryland license number R210445, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Anna Rica Castro, CRNP, FNP-BC prescribe under Medicare Part D?

In 2024, Anna Rica Castro, CRNP, FNP-BC had 88 Medicare Part D claims for 25 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.