Registry data as of Aug 27, 2026

Thrisann Chaplin, CRNP

Registered Nurse · Hampstead, MD

Thrisann Chaplin, CRNP is a registered nurse with a practice address in Hampstead, Maryland, and NPI 1578074571, issued on Oct 17, 2017. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1578074571
Name
Thrisann Chaplin
Credential
CRNP
Primary taxonomy
Registered Nurse 163W00000X
Practice location
4231 N Woods Trl Ste 100, Hampstead, MD 21074
Phone
(410) 374-9391
Enumerated
Oct 17, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4231 N Woods Trl Ste 100

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

  1. Katie Barritt, CRNPRegistered Nurse1336543289
  2. Michael Eyer, D.O.Family Medicine Physician1033368337
  3. Trudi-Ann Ferguson, CRNPFamily Nurse Practitioner1992432850
  4. Sarah Frattali, MDPediatrics Physician1649344409

Verify Thrisann Chaplin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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.

16% fewer Medicare Part D claims than the average registered nurse in 2024

897 Medicare Part D claims for 229 beneficiaries, against an average of 1,063 among the 17,151 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Thrisann Chaplin897
  2. Specialty average1,063

Most prescribed

  1. Atorvastatin Calcium58 claims
  2. Amlodipine Besylate56 claims
  3. Metformin Hcl38 claims
  4. Trazodone Hcl30 claims
  5. Hydrochlorothiazide29 claims
  6. Lisinopril26 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: $348.01

17 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 16,089 providers of this specialty with any payment received $575.97 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thrisann Chaplin$348.01
  2. Specialty average$575.97

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

4 registered nurse records list a Hampstead practice address

They are 4 of the 127 NPPES records with a Hampstead practice address, and 3,026 registered nurse records in Maryland.

Other registered nurse records in Maryland

  1. Louis Abanda, RNUpper Marlboro, MD1043001068
  2. Caryn Abbott, RNPocomoke City, MD1730719923
  3. Bukola AbegundeOwings Mills, MD1720830268
  4. Jamie AbelLinthicum Heights, MD1821599606
  5. Sheri Abell, RNEdgewater, MD1932491040
  6. Charlene Abeln, RNColumbia, MD1679821557
  7. Bolade AbiolaWaldorf, MD1720865389
  8. Luverne Abogadie, DNP, AGACNP-BCSilver Spring, MD1386239234
  9. Delphine AbongbuWaldorf, MD1063779361
  10. Saramma Abraham, RNBaltimore, MD1285811661

Common questions

What is Thrisann Chaplin, CRNP's NPI number?

Thrisann Chaplin, CRNP's National Provider Identifier (NPI) is 1578074571, issued on Oct 17, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Thrisann Chaplin, CRNP located?

The NPPES record lists a practice address at 4231 N Woods Trl Ste 100, Hampstead, MD, 21074. Phone: (410) 374-9391. Providers update this record themselves, so call before visiting.

How can I verify Thrisann Chaplin, CRNP's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Thrisann Chaplin, CRNP prescribe under Medicare Part D?

In 2024, Thrisann Chaplin, CRNP had 897 Medicare Part D claims for 229 beneficiaries; the average among registered nurse prescribers was 1,063. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.