Heather L. Mateja, NP

  • Portland, ME
  • Nurse practitioner
NPI1518254895
Hospital affiliations
1
Industry payments
$270
Medical groups
2
State license
1
Year NPI issued
2011
Practice address
22 Bramhall St, Portland, ME 04102
Practice phone
Call (207) 662-0111
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

MaineHealth Maine Medical Center

Hospital · Portland, Maine

See all 4 affiliations

Find Heather Mateja's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Heather L. Mateja is a nurse practitioner in Portland, Maine

Heather Mateja practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.

Heather Mateja's NPI, 1518254895, was assigned on July 7, 2011. Heather Mateja holds Maine license CNP111044.

NPI and contact details
NPI enumeration date
July 7, 2011
NPI status
Active
Practice phone
(207) 662-0111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Heather L. Mateja practices at MaineHealth Maine Medical Center in Portland, Maine

Heather Mateja's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.

Source: Dmand AI Affiliation Data

Heather L. Mateja is affiliated with 2 sites of care and 2 medical groups

Heather Mateja's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. The medical group on file is MaineHealth Maine Medical Center Biddeford. Dmand AI also links Heather Mateja to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Heather Mateja

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Heather L. Mateja's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Heather Mateja practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MaineHealth Maine Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Heather Mateja practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across MaineHealth and 6.2K+ hospitals, with verified contacts in the same login.

Heather L. Mateja is one of 353 nurse practitioners in Maine

Nurse practitioner is Heather Mateja's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Heather Mateja is licensed in Maine.

Specialties and state licenses

  • Nurse practitioner, MainePrimaryLicense CNP111044 · taxonomy 363L00000X

Nurse practitioners near Heather Mateja

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Heather L. Mateja's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Heather Mateja's median patient age at 49, with 33% women.

Heather Mateja's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women33%
  • Men67%

Source: Dmand AI Patient Panel Data

Heather L. Mateja received $270 in industry payments in 2025

CMS Open Payments shows 2 general payments to Heather Mateja from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Merz North America, Inc. paid the most, $139.

Companies that paid Heather Mateja the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Heather Mateja

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Heather L. Mateja's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Heather L. Mateja

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Heather L. Mateja's NPI number?

Heather L. Mateja's NPI number is 1518254895. It was assigned on July 7, 2011, and it is active in the NPI Registry.

What does Heather L. Mateja specialize in?

Heather L. Mateja is a nurse practitioner in Portland, Maine. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Heather L. Mateja practice?

Heather Mateja practices at 22 Bramhall St, Portland, ME 04102. Heather Mateja's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Heather Mateja to 1 group practice or clinic and 1 medical group.

What is Heather L. Mateja's office phone number?

The practice phone on file for Heather Mateja is (207) 662-0111.

What is Heather L. Mateja's medical license number?

Heather Mateja holds Maine license CNP111044.

Which hospitals is Heather L. Mateja affiliated with?

Heather Mateja practices at MaineHealth Maine Medical Center in Portland, Maine.

What medical group is Heather L. Mateja part of?

Heather Mateja is linked to MaineHealth Maine Medical Center Biddeford. Dmand AI links Heather Mateja to 1 more medical group.

Has Heather L. Mateja received payments from drug or device companies?

CMS Open Payments shows $270 in general payments to Heather Mateja from 2 companies from 2025 to 2025. The largest total came from Merz North America, Inc.

How long has Heather L. Mateja been practicing?

Heather Mateja graduated from medical school in 2011, 15 years ago.

Selling to nurse practitioner practices?

See nurse practitioners in Maine by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)