Mary Lynn Zaremba, NP, RN
NPI 1609964857 · Nurse Practitioner · Port Huron, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lynn Zaremba, NP, RN is a Nurse Practitioner provider in Port Huron, MI (NPI 1609964857).
Provider details
- NPI number
- 1609964857
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP, RN
- Sex
- Female
- Sole proprietor
- No
- License
- 4704204064 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 80 | 16 |
| Levothyroxine Sodium | 76 | 11 |
| Atorvastatin Calcium | 71 | 15 |
| Rosuvastatin Calcium | 69 | 14 |
| Lisinopril | 64 | 15 |
| Fenofibrate | 62 | 11 |
| Metformin Hcl | 59 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$209 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2010-02-01
Frequently asked questions
- What is Mary Lynn Zaremba's NPI number?
- Mary Lynn Zaremba's National Provider Identifier (NPI) is 1609964857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lynn Zaremba's specialty?
- Mary Lynn Zaremba is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lynn Zaremba located?
- Mary Lynn Zaremba's practice location on file with NPPES is 1210 10th Ave, Port Huron, MI 48060-3406.
- What is Mary Lynn Zaremba's phone number?
- The practice phone number listed in the NPPES registry for Mary Lynn Zaremba is (810) 984-8470.
- Does Mary Lynn Zaremba accept Medicare?
- Mary Lynn Zaremba is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lynn Zaremba's NPI active?
- Yes — Mary Lynn Zaremba's NPI (1609964857) is active in the NPPES registry as of the last update on 2010-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.