DR. K. ERIK KOSTELNIK (M.D.) – Dermatology Physician, NPI 1346289683

DR. K. ERIK KOSTELNIK (M.D.) is a healthcare provider. based in Portland, Maine. specializing in DERMATOLOGY. They hold the professional credentials M.D.. They hold a License No. 014713 (ME). The NPI Number for DR. K. ERIK KOSTELNIK (M.D.) is 1346289683

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
DR. K. ERIK KOSTELNIK (M.D.)
NPI
1346289683
Phone
(207) 775-3526
Address
50 SEWALL ST
Enumeration Date
5 June 2006
Last Update Date
16 October 2008

Doctor Profile

Medical School Name
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Secondary Phone
2077753526212
Graduation Year
1992 (34 years ago)
PAC ID
9537104872
Group Practice PAC ID
4587698279
Professional Enrollment ID
I20050627000899
Address ID
ME041022691PO50XXXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

59 DERMATOLOGY in ME

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Provider Addresses for DR. K. ERIK KOSTELNIK (M.D.)

  • 50, Sewall Street, Rosemont, Portland, Cumberland County, Maine, 04102, United States

    PORTLAND, ME 041022624

    Phone: (207) 775-3526

    Fax: (207) 775-5658

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-06-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050627000899IDermatologyMETBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
17003Destruction of precancer skin growth, 2-14 growths1,180316$0
99213Established patient office or other outpatient visit, 20-29 minutes653575$0
17000Destruction of precancer skin growth, 1 growth580464$0
99212Established patient office or other outpatient visit, 10-19 minutes335289$0
17110Destruction of skin growth, 1-14 growths212194$0
View full utilization report →

Insurance plans in this area (ZIP 04102)

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Provider's Procedures

DR. K. ERIK KOSTELNIK (M.D.) performs procedures in DERMATOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
DERMATOLOGYME11101Biopsy of each additional growth of skin and/or tissue10164

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4587698279View full group profile
NameSpecialtyState
D E R M A T O L O G YFL
D E R M A T O L O G YPA
D E R M A T O L O G YME
D E R M A T O L O G YME
D E R M A T O L O G YMA
D E R M A T O L O G YME
D E R M A T O L O G YMN
D E R M A T O L O G YLA
D E R M A T O L O G YDC
D E R M A T O L O G YME

Reviews

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Frequently asked questions

What number should I use to identify DR. K. ERIK KOSTELNIK (M.D.) for billing?
Administrative and clinical systems typically use NPI 1346289683 for DR. K. ERIK KOSTELNIK (M.D.).
Does the public listing show DR. K. ERIK KOSTELNIK (M.D.) as active?
DR. K. ERIK KOSTELNIK (M.D.)'s NPI record reflects an active status in NPPES.
What does the directory say DR. K. ERIK KOSTELNIK (M.D.) does?
Insurance directories may phrase it differently, but here DR. K. ERIK KOSTELNIK (M.D.) maps to Dermatology Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. K. ERIK KOSTELNIK (M.D.)?
The directory associates DR. K. ERIK KOSTELNIK (M.D.) with Portland, Maine. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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