Cassie J. Haak, FNP
Family Nurse Practitioner · Watford City, ND
Cassie J. Haak, FNP is a family nurse practitioner with a practice address in Watford City, North Dakota, and NPI 1730465568, issued on Oct 25, 2011. Check the license (North Dakota R32395, as entered in NPPES) with the North Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassie J. Haak
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R32395 ND
Self-reported in NPPES; status is on the state search - Practice location
- 116 8TH St NE, Watford City, ND 58854
- Phone
- (701) 323-6000
- Enumerated
- Oct 25, 2011
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 757 in North Dakota → Look up another NPI →
Verify Cassie J. Haak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
Search for license R32395Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family nurse practitioner in 2024
728 Medicare Part D claims for 61 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium38 claims
- Metformin Hcl Er33 claims
- Atorvastatin Calcium27 claims
- Metoprolol Succinate26 claims
- Omeprazole26 claims
- Gabapentin25 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.
Cassie J. Haak among 757 family nurse practitioner records in North Dakota
Cassie J. Haak, FNP is one of 757 family nurse practitioner records with a practice address in North Dakota. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 78% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2018 · 37% 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 North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family nurse practitioner records list a practice address in Watford City
They are 10 of the 78 NPPES records with a practice address in Watford City, and 757 family nurse practitioner records in North Dakota.
All 757 in North Dakota → Every provider in Watford City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Misti Breitbach, NPWatford City, ND 588541639627979
- Crystal Christensen, FNP-CWatford City, ND 588541659134930
- Jessica Comeau, FNPWatford City, ND 588541073917480
- Jennifer Fleck, FNP-CWatford City, ND 588541275923450
- Jade KellingWatford City, ND 588541366179509
- Amanda Mitchell, MSN, APRN, FNP-BCWatford City, ND 588541255964698
- Christy Moe, FNP-BCWatford City, ND 588541902440449
- Philip Miguel Sabido, RN, APRNWatford City, ND 588541346032398
Common questions
What is Cassie J. Haak, FNP's NPI number?
Cassie J. Haak, FNP's National Provider Identifier (NPI) is 1730465568, issued on Oct 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cassie J. Haak, FNP located?
The NPPES record lists a practice address at 116 8TH St NE, Watford City, ND, 58854. Phone: (701) 323-6000. Providers update this record themselves, so call before visiting.
How can I verify Cassie J. Haak, FNP's license?
NPPES lists North Dakota license number R32395, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Cassie J. Haak, FNP prescribe under Medicare Part D?
In 2024, Cassie J. Haak, FNP had 728 Medicare Part D claims for 61 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.