NPPES file of Aug 9, 2026

Carolyn Nightingale Riker, MSN, CPNP-AC/PC

Pediatric Surgery Physician · Portland, ME

Carolyn Nightingale Riker, MSN, CPNP-AC/PC is a pediatric surgery physician with a practice address in Portland, Maine, and NPI 1952949729, issued on Dec 12, 2019. Check the license (Maine CNP241619, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952949729
Name
Carolyn Nightingale Riker
Credential
MSN, CPNP-AC/PC
Primary taxonomy
Pediatric Surgery Physician 2086S0120X
License numbers
CNP241619 ME
RN2286242 MA
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-2934
Enumerated
Dec 12, 2019
Record last updated
Jan 23, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 Bramhall St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Carolyn Nightingale Riker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license CNP241619    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $44.27

1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 523 providers of this specialty with any payment received $5,419.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carolyn Riker$44.27
  2. Specialty average$5,419.89

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pediatric Surgery Physician providers in Maine

There are 14 pediatric surgery physician records in Maine.

All 14 in Maine → Every provider in Portland →

Other pediatric surgery physician records in Maine

  1. Meredith BakerPortland, ME1881937712
  2. Sean Barnett, M.D.Bangor, ME1316143563
  3. Nathalie Brewer, MDBangor, ME1407197692
  4. Allen Browne, M.D.Falmouth, ME1003865031
  5. Joshua Careskey, MDBangor, ME1659397230
  6. Michael Curci, M.D.Portland, ME1548264054
  7. Jeffrey Halter, MDPortland, ME1720297849
  8. Todd Heaton, M.D.Bangor, ME1568656957
  9. Baird Mallory, MDPortland, ME1942204466
  10. Whitney McBride, MDBangor, ME1386727782

Common questions

What is Carolyn Nightingale Riker, MSN, CPNP-AC/PC's NPI number?

Carolyn Nightingale Riker, MSN, CPNP-AC/PC's National Provider Identifier (NPI) is 1952949729, issued on Dec 12, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn Nightingale Riker, MSN, CPNP-AC/PC located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2934. Providers update this record themselves, so call before visiting.

How can I verify Carolyn Nightingale Riker, MSN, CPNP-AC/PC's license?

NPPES lists Maine license number CNP241619, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.