Mckensay Heinonen, FNP-BC
NPI 1437495967 · Nurse Practitioner · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mckensay Heinonen, FNP-BC is a Nurse Practitioner provider in Grand Rapids, MI (NPI 1437495967).
Provider details
- NPI number
- 1437495967
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 4704245459 (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 tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
102 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 35 | $6 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $74 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $109 |
Typical Medicare-allowed amounts for these services range $6–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-01-03
- Last updated
- 2019-08-29
Frequently asked questions
- What is Mckensay Heinonen's NPI number?
- Mckensay Heinonen's National Provider Identifier (NPI) is 1437495967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mckensay Heinonen's specialty?
- Mckensay Heinonen is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mckensay Heinonen located?
- Mckensay Heinonen's practice location on file with NPPES is 200 Jefferson Ave Se, Grand Rapids, MI 49503-4502.
- What is Mckensay Heinonen's phone number?
- The practice phone number listed in the NPPES registry for Mckensay Heinonen is (616) 685-6374.
- Does Mckensay Heinonen accept Medicare?
- Mckensay Heinonen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mckensay Heinonen's NPI active?
- Yes — Mckensay Heinonen's NPI (1437495967) is active in the NPPES registry as of the last update on 2019-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.