Heidi J. Tzizik, APRN, FNP-C
Family Nurse Practitioner · Portsmouth, NH
Heidi J. Tzizik, APRN, FNP-C is a family nurse practitioner with a practice address in Portsmouth, New Hampshire, and NPI 1053961342, issued on Sep 18, 2019. Check the license (New Hampshire 059283-23, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heidi J. Tzizik
- Credential
- APRN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 059283-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 599 Lafayette RD, Portsmouth, NH 03801
- Phone
- (603) 942-7900
- Enumerated
- Sep 18, 2019
- Record last updated
- Sep 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (603) 630-1009
- Medicare enrollment
- Enrolled (PECOS I20191101002229); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,377 in New Hampshire → Look up another NPI →
Also registered at 599 Lafayette RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas McNulty, PA-CPhysician Assistant1568940583
- Kathleen Morgan, PA-CPhysician Assistant1003004185
Verify Heidi J. Tzizik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 059283-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
218 Medicare Part D claims for 165 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate23 claims
- Cephalexin22 claims
- Amoxicillin-Clavulanate Potass21 claims
- Prednisone20 claims
- Nitrofurantoin Mono-Macro17 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.
Bills Medicare through one group practice
- Clearchoicemd, PLLCEpping, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heidi J. Tzizik among 1,377 family nurse practitioner records in New Hampshire
Heidi J. Tzizik, APRN, FNP-C is one of 1,377 family nurse practitioner records with a practice address in New Hampshire. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 58% of them.
- NPI issued2019 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · median 2018 among the 901 with a school on file
- Record last updated2019 · 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family nurse practitioner records list a practice address in Portsmouth
They are 39 of the 1,860 NPPES records with a practice address in Portsmouth, and 1,377 family nurse practitioner records in New Hampshire.
All 1,377 in New Hampshire → Every provider in Portsmouth → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Karen Adams, APRN FNP-BC MSN CDENewington, NH 038011366680787
- Stephanie Ayan, APRNPortsmouth, NH 038011861738320
- Crystal Bonias, APRNPortsmouth, NH 038011548505902
- Andrea Breig, NPPortsmouth, NH 038011841602133
- Amy Coombs, ARNPNewington, NH 038011104914860
- Yohanna Garcia Hernandez, NPPortsmouth, NH 038011508267345
- Gene Harkless, ARNPPortsmouth, NH 038011669544201
- Pamela Larocque, NPPortsmouth, NH 038011427499698
Common questions
What is Heidi J. Tzizik, APRN, FNP-C's NPI number?
Heidi J. Tzizik, APRN, FNP-C's National Provider Identifier (NPI) is 1053961342, issued on Sep 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Heidi J. Tzizik, APRN, FNP-C located?
The NPPES record lists a practice address at 599 Lafayette RD, Portsmouth, NH, 03801. Phone: (603) 942-7900. Providers update this record themselves, so call before visiting.
How can I verify Heidi J. Tzizik, APRN, FNP-C's license?
NPPES lists New Hampshire license number 059283-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Heidi J. Tzizik, APRN, FNP-C prescribe under Medicare Part D?
In 2024, Heidi J. Tzizik, APRN, FNP-C had 218 Medicare Part D claims for 165 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.