MARISSA HARTMAN DNP, CRNP, FNP-C
NPI 1134484108
Nurse Practitioner - Family in Pittsburgh, PA

Active since July 05, 2012PECOS EnrolledAccepts Medicare Assignment
1848 GREENTREE RD, PITTSBURGH, PA 15220(412) 344-7744(610) 460-0818 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2026, Dec 4, 2020 (2 updates tracked since 2020).

About Marissa Hartman Dnp, Crnp, Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA HARTMAN DNP, CRNP, FNP-C (NPI 1134484108) is an individual family provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP015115) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1134484108
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARISSA HARTMANCredential: DNP, CRNP, FNP-C
Location Address1848 GREENTREE RDPittsburgh, PA 15220-1851
Mailing Address1848 Greentree RdPittsburgh, PA 15220-1851 · (412) 344-7744 · Fax (610) 460-0818
Fax(610) 460-0818
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 5, 2012
Last NPPES UpdateMay 8, 20262 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
✔ NPI 1134484108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in PA · SP015115
1848 GREENTREE RD, Pittsburgh, PA 15220

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Hartman Dnp, Crnp, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406140219
PECOS Enrollment IDI20160802001347
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Marissa Hartman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospice and Palliative Medicine
333 TECHNOLOGY DR STE 250
Canonsburg, PA 15317
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 40 clinicians in this Medicare group
Geriatric Medicine
9200 FRANKLIN SQUARE DR
Baltimore, MD 21237
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 93 clinicians in this Medicare group
Internal Medicine
101 E STATE ST
Kennett Square, PA 19348
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 90 clinicians in this Medicare group
Geriatric Medicine
420 DEAN DR
Gardendale, AL 35071
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 92 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15220 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Occupational Therapy Assistant
1848 GREENTREE RD
PITTSBURGH, PA 15220
Physical Therapy Assistant
1848 GREENTREE RD
PITTSBURGH, PA 15220
Nurse Practitioner
1848 GREENTREE RD, HEARTLAND CARE PARTNERS
PITTSBURGH, PA 15220
Skilled Nursing Facility
1848 GREENTREE RD
PITTSBURGH, PA 15220
Nurse Practitioner
1848 GREENTREE RD
PITTSBURGH, PA 15220
Nurse Practitioner (Family)
1848 GREENTREE RD
PITTSBURGH, PA 15220
Occupational Therapist
1848 GREENTREE RD
PITTSBURGH, PA 15220
Occupational Therapy Assistant
1848 GREENTREE RD
PITTSBURGH, PA 15220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Hartman's NPI number?

The NPI number for Marissa Hartman is 1134484108. It was assigned to this individual provider in the NPPES registry on July 5, 2012.

Where is Marissa Hartman located?

Marissa Hartman practices at 1848 Greentree Rd, Pittsburgh, PA 15220. The listed phone number is (412) 344-7744.

What is Marissa Hartman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marissa Hartman enrolled in Medicare?

Yes. Marissa Hartman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Marissa Hartman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Hartman reassigns Medicare benefits to 4 organizations: Ih Physician Services, PC (Canonsburg, PA), Alignmed Medical Group, PC (Baltimore, MD), Geps Physician Group Of Pennsylvania PC (Kennett Square, PA) and Alignmed Partners, PC (Gardendale, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marissa Hartman was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.