NPPES file of Aug 9, 2026

Karen S. Guo, DMD

Dentist · Doylestown, PA

Karen S. Guo, DMD is a dentist with a practice address in Doylestown, Pennsylvania, and NPI 1437530557, issued on Jun 15, 2015. Check the license (Pennsylvania DS040451, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1437530557
Name
Karen S. Guo
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
DS040451 PA
Self-reported in NPPES; status is on the state search
Practice location
1456 Ferry RD, Doylestown, PA 18901
Phone
(215) 348-8877
Enumerated
Jun 15, 2015
Record last updated
Sep 24, 2015 (not updated in 11 years: call before relying on the address or phone)
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 1456 Ferry RD

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

  1. Donna Agnew, PA-CInternal Medicine Physician1366598088
  2. Viviann Bailey, P.T.Physical Therapist1255424321
  3. Pamela Barnes, CRNPAdult Health Nurse Practitioner1629382643
  4. Nicole Geracimos, MDInternal Medicine Physician1801053293
  5. Laurie Gerstein, M.D.Gynecology Physician1598757627
  6. Makindree Gresko, PHARMDPharmacist1205432895

Verify Karen S. Guo 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 DS040451
    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

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47% more Medicare Part D claims than the average dentist in 2024

126 Medicare Part D claims for 64 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Karen Guo126
  2. Specialty average86

Most prescribed

  1. Amoxicillin47 claims
  2. Azithromycin18 claims
  3. Ibuprofen18 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.

21 dentist records list a practice address in Doylestown

They are 21 of the 1,500 NPPES records with a practice address in Doylestown, and 3,339 dentist records in Pennsylvania.

Other dentist records in Pennsylvania

  1. Jonathan Abaev, DDSPhiladelphia, PA1427724624
  2. Anthony Abdalla, DMDAllentown, PA1871672105
  3. Assem Abdel-Kader, DDSPhiladelphia, PA1235112590
  4. Ahmed Abdelkader, DDSPhiladelphia, PA1437212115
  5. Mahsa Abdolhosseini, DDSPhiladelphia, PA1104218882
  6. Mary Abeln, DDSEast York, PA1871085993
  7. Andrew Abolarin, DDSPhiladelphia, PA1700973567
  8. Omar Aboosi, DMDPittsburgh, PA1730243429
  9. Lawrence AbouseifReading, PA1508007212
  10. Joseph Abrams, DMDFrazer, PA1104977438

Common questions

What is Karen S. Guo, DMD's NPI number?

Karen S. Guo, DMD's National Provider Identifier (NPI) is 1437530557, issued on Jun 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Karen S. Guo, DMD located?

The NPPES record lists a practice address at 1456 Ferry RD, Doylestown, PA, 18901. Phone: (215) 348-8877. Providers update this record themselves, so call before visiting.

How can I verify Karen S. Guo, DMD's license?

NPPES lists Pennsylvania license number DS040451, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Karen S. Guo, DMD prescribe under Medicare Part D?

In 2024, Karen S. Guo, DMD had 126 Medicare Part D claims for 64 beneficiaries; the average among dentist prescribers was 86. 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.