NPPES file of Aug 9, 2026

Kristen B. Silvia, MD

Addiction Medicine (Family Medicine) Physician · Portland, ME

Kristen B. Silvia, MD is an addiction medicine (family medicine) physician with a practice address in Portland, Maine, and NPI 1538103478, issued on Jun 15, 2006. Check the license (Maine MD17120, 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
1538103478
Name
Kristen B. Silvia
Credential
MD
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
MD17120 ME
Self-reported in NPPES; status is on the state search
Practice location
576 Saint John St, Portland, ME 04102
Phone
(207) 661-0700
Enumerated
Jun 15, 2006
Record last updated
Jan 27, 2026
Fax
(207) 536-6720
Medicaid IDs
30208129 NH
293280099 ME
Medicare enrollment
Enrolled (PECOS I20061026000445); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 576 Saint John St

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

  1. Kayla Blackborow, LCSWClinical Social Worker1427776210
  2. Deborah Bryenton, LSW-ADDICTIONAddiction (Substance Use Disorder) Counselor1700946902
  3. Emily-Anne Garland, LCPCProfessional Counselor1013073170
  4. Sandra Gioro, LCPCMental Health Counselor1821158007
  5. Sarah Hipkens, MDAddiction Medicine (Family Medicine) Physician1497046072
  6. Elizabeth Joyce, MDAddiction Medicine (Family Medicine) Physician1710447974

Verify Kristen B. Silvia 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 MD17120
    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

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66% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

227 Medicare Part D claims for 34 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Kristen Silvia227
  2. Specialty average664

Most prescribed

  1. Buprenorphine-Naloxone70 claims
  2. Gabapentin33 claims
  3. Suboxone23 claims
  4. Buprenorphine Hcl13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kristen B. Silvia among 15 addiction medicine (family medicine) physician records in Maine

Kristen B. Silvia, MD is one of 15 addiction medicine (family medicine) physician records with a practice address in Maine. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.

  • NPI issued2006 · 20% of these records are older, 53% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Record last updated2026 · 13% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Family Medicine) Physician providers in Maine

There are 15 addiction medicine (family medicine) physician records in Maine.

The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes

  1. Allison Bailey, MDPortland, ME 041021053302604
  2. Sarah Hipkens, MDPortland, ME 041021497046072
  3. Elizabeth Joyce, MDPortland, ME 041021710447974
  4. Heather Metcalf, MDPortland, ME 041021225639768
  5. Gabrielle Kobacker, FNP-CPortland, ME 041031619538782
  6. Danielle MilovanovicSouth Portland, ME 041061104707082
  7. Joseph Py, D.O.South Portland, ME 041061063405041
  8. Mark Publicker, M.D.Westbrook, ME 040921982647178

Common questions

What is Kristen B. Silvia, MD's NPI number?

Kristen B. Silvia, MD's National Provider Identifier (NPI) is 1538103478, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kristen B. Silvia, MD located?

The NPPES record lists a practice address at 576 Saint John St, Portland, ME, 04102. Phone: (207) 661-0700. Providers update this record themselves, so call before visiting.

How can I verify Kristen B. Silvia, MD's license?

NPPES lists Maine license number MD17120, 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.

How much does Kristen B. Silvia, MD prescribe under Medicare Part D?

In 2024, Kristen B. Silvia, MD had 227 Medicare Part D claims for 34 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.

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.

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.