NPPES file of Aug 9, 2026

Sierra Althoff, LPC. NCC

Professional Counselor · Philadelphia, PA

Sierra Althoff, LPC. NCC is a professional counselor with a practice address in Philadelphia, Pennsylvania, and NPI 1740021534, issued on Jun 4, 2024. Check the license (Pennsylvania 016915, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1740021534
Name
Sierra Althoff
Credential
LPC. NCC
Primary taxonomy
Professional Counselor 101YP2500X
License number
016915 PA
Self-reported in NPPES; status is on the state search
Practice location
2000 Hamilton St Ste 301, Philadelphia, PA 19130
Phone
(215) 774-1166
Enumerated
Jun 4, 2024
Record last updated
Jun 4, 2024
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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8 nearest professional counselor records → All 9,335 in Pennsylvania → Look up another NPI →

Also registered at 2000 Hamilton St Ste 301

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

  1. Maggie Hooven, DOPediatrics Physician1477257152
  2. Liv Lee, MS, RDN, LDNRegistered Dietitian1467985937
  3. Susan Ramirez-Chung, M.D.Pediatrics Physician1366806200
  4. Heather Ruddock, MDPediatrics Physician1780631846
  5. Kristen Smith, PA-CPhysician Assistant1194115089
  6. Kerby Zeisloft, DOPediatrics Physician1992326789

Verify Sierra Althoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license 016915    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
Find the Pennsylvania 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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Sierra Althoff among 9,335 professional counselor records in Pennsylvania

Sierra Althoff, LPC. NCC is one of 9,335 professional counselor records with a practice address in Pennsylvania. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2024, is newer than 83% of them.

  • NPI issued2024 · 83% of these records are older, 10% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 18% of these records are
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

950 professional counselor records list a practice address in Philadelphia

They are 950 of the 42,849 NPPES records with a practice address in Philadelphia, and 9,335 professional counselor records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,335 in Pennsylvania → Every provider in Philadelphia → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Carol Blum, M.ED., CAC, LPCPhiladelphia, PA 191301811231186
  2. Sarah Bryski-Hamrick, LPCPhiladelphia, PA 191301255822516
  3. Jack Cottom, LPCPhiladelphia, PA 191301457755696
  4. Diane Hunt, M.C.A.T.Philadelphia, PA 191301821143306
  5. Tamar Joseph, MA, LPCPhiladelphia, PA 191301639501760
  6. Allison Kent, MS, LPCPhiladelphia, PA 191301861753527
  7. Philip KingPhiladelphia, PA 191301659883064
  8. William Luff, MS, ED.D ('18)Philadelphia, PA 191301841702446

Common questions

What is Sierra Althoff, LPC. NCC's NPI number?

Sierra Althoff, LPC. NCC's National Provider Identifier (NPI) is 1740021534, issued on Jun 4, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Sierra Althoff, LPC. NCC located?

The NPPES record lists a practice address at 2000 Hamilton St Ste 301, Philadelphia, PA, 19130. Phone: (215) 774-1166. Providers update this record themselves, so call before visiting.

How can I verify Sierra Althoff, LPC. NCC's license?

NPPES lists Pennsylvania license number 016915, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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. 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.