Mark Tyo
Family Nurse Practitioner · Hyannis, MA
Mark Tyo is a family nurse practitioner with a practice address in Hyannis, Massachusetts, and NPI 1386359420, issued on Jan 23, 2023. Check the license (Massachusetts RN243734, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Tyo
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN243734 MA
Self-reported in NPPES; status is on the state search - Practice location
- 110 Main St Unit A, Hyannis, MA 02601
- Phone
- (508) 771-9550
- Enumerated
- Jan 23, 2023
- Record last updated
- Jan 23, 2023
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 110 Main St Unit A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Kramer, M.D.Urology Physician1184607681
Verify Mark Tyo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN243734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average family nurse practitioner in 2024
2,063 Medicare Part D claims for 694 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Tamsulosin Hcl375 claims
- Testosterone Cypionate234 claims
- Methenamine Hippurate135 claims
- Alfuzosin Hcl Er134 claims
- Ciprofloxacin Hcl131 claims
- Finasteride130 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: $1,197.33
54 payments; by number, the most common kind was food and beverage; the largest payer was Tolmar, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Tyo among 4,724 family nurse practitioner records in Massachusetts
Mark Tyo is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% 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 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2023 · 42% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family nurse practitioner records list a practice address in Hyannis
They are 42 of the 1,457 NPPES records with a practice address in Hyannis, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Hyannis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Diana Andrusyshyn, APRNHyannis, MA 026011528387826
- Cathy Benoit, FNPHyannis, MA 026011316988306
- Joanne CallahanHyannis, MA 026011205904307
- Matthew Favazza, FNPHyannis, MA 026011699114512
- Kathleen Fogle, NPHyannis, MA 026011932428042
- Susan Hoover, NPHyannis, MA 026011255660809
- Debra Landry, N.P.Hyannis, MA 026011760519979
- Tina Mathews, APRNHyannis, MA 026011114254687
Common questions
What is Mark Tyo's NPI number?
Mark Tyo's National Provider Identifier (NPI) is 1386359420, issued on Jan 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mark Tyo located?
The NPPES record lists a practice address at 110 Main St Unit A, Hyannis, MA, 02601. Phone: (508) 771-9550. Providers update this record themselves, so call before visiting.
How can I verify Mark Tyo's license?
NPPES lists Massachusetts license number RN243734, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Tyo prescribe under Medicare Part D?
In 2024, Mark Tyo had 2,063 Medicare Part D claims for 694 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.