NPPES file of Aug 9, 2026

Cassie Lyn Blackwell, FNP

Family Nurse Practitioner · Dallas, TX

Cassie Lyn Blackwell, FNP is a family nurse practitioner with a practice address in Dallas, Texas, and NPI 1255562575, issued on Aug 4, 2009. Check the license (Texas 687599, as entered in NPPES) with the Texas 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
1255562575
Name
Cassie Lyn Blackwell
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
687599 TX
Self-reported in NPPES; status is on the state search
Practice location
5000 Harry Hines Blvd, Dallas, TX 75235
Phone
(214) 590-0153
Enumerated
Aug 4, 2009
Record last updated
Oct 15, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(214) 590-0172
Medicaid ID
203848101 TX
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 5000 Harry Hines Blvd

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

  1. Lara Johnson, MDFamily Medicine Physician1679583355
  2. Marcy Keefe, FNPFamily Nurse Practitioner1245230234
  3. Susan Spalding, MDPediatrics Physician1427059401
  4. Cynthia Watkins, FNPFamily Nurse Practitioner1184698094
  5. Mary Wilk, FNPFamily Nurse Practitioner1578563573

Verify Cassie Lyn Blackwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 687599
    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 Texas license search

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45% fewer Medicare Part D claims than the average family nurse practitioner in 2024

723 Medicare Part D claims for 100 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Cassie Blackwell723
  2. Specialty average1,305

Most prescribed

  1. Amlodipine Besylate74 claims
  2. Atorvastatin Calcium66 claims
  3. Lisinopril49 claims
  4. Gabapentin44 claims
  5. Fluticasone Propionate29 claims
  6. Albuterol Sulfate Hfa25 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: $45.31

2 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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. Cassie Blackwell$45.31
  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.

Cassie Lyn Blackwell among 21,242 family nurse practitioner records in Texas

Cassie Lyn Blackwell, FNP is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 11% of them.

  • NPI issued2009 · 11% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2013 · 38% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,191 family nurse practitioner records list a practice address in Dallas

They are 1,191 of the 36,304 NPPES records with a practice address in Dallas, and 21,242 family nurse practitioner records in Texas.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Gilda Baker, FNPDallas, TX 752351396719092
  2. Pat Davis, FNPDallas, TX 752351972502854
  3. Jo Howard, FNP-BCDallas, TX 752351790784437
  4. Marcy Keefe, FNPDallas, TX 752351245230234
  5. Robert Metzger, F.N.P. - B. C.Dallas, TX 752351447257159
  6. Deborah Miller-Stevens, FNPDallas, TX 752351073598546
  7. Mary Monastesse, FNPDallas, TX 752351669440426
  8. Katherine Moorehead, RN, FNP-CDallas, TX 752351235183120

Common questions

What is Cassie Lyn Blackwell, FNP's NPI number?

Cassie Lyn Blackwell, FNP's National Provider Identifier (NPI) is 1255562575, issued on Aug 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Cassie Lyn Blackwell, FNP located?

The NPPES record lists a practice address at 5000 Harry Hines Blvd, Dallas, TX, 75235. Phone: (214) 590-0153. Providers update this record themselves, so call before visiting.

How can I verify Cassie Lyn Blackwell, FNP's license?

NPPES lists Texas license number 687599, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Cassie Lyn Blackwell, FNP prescribe under Medicare Part D?

In 2024, Cassie Lyn Blackwell, FNP had 723 Medicare Part D claims for 100 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.

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.