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NASTASHA H. STITHAM NP
NPI 1982986972
Nurse Practitioner in Topsham, ME

Active since September 15, 2011PECOS EnrolledAccepts Medicare Assignment
105 TOPSHAM FAIR MALL RD UNIT 1, TOPSHAM, ME 04086(207) 303-3300(207) 250-2137 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2026, Apr 21, 2026, Jan 5, 2026 and 4 more (7 updates tracked since 2017).

About Nastasha H. Stitham Np NPPES

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

NASTASHA H. STITHAM NP (NPI 1982986972) is an individual nurse practitioner in Topsham, Maine, licensed in Maine (CNP111075) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1982986972
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameNASTASHA H. STITHAMCredential: NP
Location Address105 TOPSHAM FAIR MALL RD UNIT 1Topsham, ME 04086-1773
Mailing AddressPo Box 911Brattleboro, VT 05302-0911 · (207) 303-3300 · Fax (207) 250-2140
Phone(207) 303-3300
Fax(207) 250-2137
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateSeptember 15, 2011
Last NPPES UpdateJuly 30, 20267 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1982986972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in ME · CNP111075
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License CNP111075 (ME)
105 TOPSHAM FAIR MALL RD UNIT 1, Topsham, ME 04086
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Other Names 1

Former Name (1)Nastasha A Horvath Np

Secondary Practice Locations 4

Location 1155 Borthwick Ave Ste CPortsmouth, NH 03801-7156 · Phone (207) 303-3200 · Fax (207) 250-2140
Location 215 Rock Row Ste 110Westbrook, ME 04092-4877 · Phone (207) 303-3300
Location 311 Rock Row Ste 120Westbrook, ME 04092-4877 · Phone (207) 303-3300 · Fax (207) 250-2139
Location 42 Independence DrKennebunk, ME 04043-6078 · Phone (207) 303-3300 · Fax (207) 250-2144

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

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

Nastasha H. Stitham Np 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 ID6709052459
PECOS Enrollment IDI20111229000406, I20260324002000
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

2

Medicare enrollment records show Nastasha Stitham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Androscoggin Home Health Services, Inc
17 mi
Hospice and Palliative Medicine
15 STRAWBERRY AVE
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 99 clinicians in this Medicare group
NPI 1013957687 (207) 777-7740
Maine Center For Cancer Medicine & Blood Disorders, P.A.
25 mi
Hematology & Oncology
11 ROCK ROW STE 120
Westbrook, ME 04092
  • Reassigned Medicare billing, Maine and New Hampshire enrollments
  • Medicare enrollment name: Maine Center For Cancer Medicine & Blood Disorders PA
  • 71 clinicians in this Medicare group
NPI 1205896107 (207) 303-3000

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 04086 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
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 8

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

DANIELLE F. BOWEN NP
Nurse Practitioner
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
DR. BRIAN ROGER HANEY DO
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
DR. DAVID CONNER BENTON MD
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
MS. JENNIFER ELAINE DIMOND LCSW
Social Worker (Clinical)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
TERESA WEEKS SIROIS FNP
Nurse Practitioner (Family)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
MAINE CENTER FOR CANCER MEDICINE & BLOOD DISORDERS, P.A.
Durable Medical Equipment & Medical Supplies
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
DANIELLE ANNE VANSTRIEN PA-C
Physician Assistant
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300
DR. JULIA MOUKHARSKAYA MD
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Sagadahoc County (207) 303-3300

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 Nastasha Stitham's NPI number?

The NPI number for Nastasha Stitham is 1982986972. It was assigned to this individual provider in the NPPES registry on September 15, 2011. The provider is also known as Nastasha A Horvath Np.

Where is Nastasha Stitham located?

Nastasha Stitham practices at 105 Topsham Fair Mall Rd Unit 1, Topsham, ME 04086. The listed phone number is (207) 303-3300.

What is Nastasha Stitham's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Nastasha Stitham enrolled in Medicare?

Yes. Nastasha Stitham 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 Nastasha Stitham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nastasha Stitham reassigns Medicare benefits to 2 organizations: Androscoggin Home Health Services, Inc (Lewiston, ME) and Maine Center For Cancer Medicine & Blood Disorders, P.A. (Westbrook, ME). 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 Nastasha Stitham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nastasha Stitham accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and WellSense Health Plan list Nastasha Stitham as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nastasha Stitham was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.