Lawrence Purves Montgomery, DDS
Dentist · Philadelphia, PA
Lawrence Purves Montgomery, DDS is a dentist with a practice address in Philadelphia, Pennsylvania, and NPI 1174778435, issued on Nov 28, 2008. Check the license (Pennsylvania DS-023070-L, 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.
- Name
- Lawrence Purves Montgomery
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- DS-023070-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 Market St, Philadelphia, PA 19104
- Phone
- (215) 573-8400
- Enumerated
- Nov 28, 2008
- Record last updated
- Nov 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (215) 573-5550
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,339 in Pennsylvania → Look up another NPI →
Also registered at 3401 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lawrence Purves Montgomery in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS-023070-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lawrence Purves Montgomery among 3,339 dentist records in Pennsylvania
Lawrence Purves Montgomery, DDS is one of 3,339 dentist records with a practice address in Pennsylvania. 63% 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 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 52% newer
- In a Medicare fileNo · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2008 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
539 dentist records list a practice address in Philadelphia
They are 539 of the 42,849 NPPES records with a practice address in Philadelphia, and 3,339 dentist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,339 in Pennsylvania → Every provider in Philadelphia → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
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- Ronald Pirok, DDSPhiladelphia, PA 191041568429827
- Brad Pirok, DMDPhiladelphia, PA 191041376595157
- John Piskai, DDSPhiladelphia, PA 191041033216841
Common questions
What is Lawrence Purves Montgomery, DDS's NPI number?
Lawrence Purves Montgomery, DDS's National Provider Identifier (NPI) is 1174778435, issued on Nov 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence Purves Montgomery, DDS located?
The NPPES record lists a practice address at 3401 Market St, Philadelphia, PA, 19104. Phone: (215) 573-8400. Providers update this record themselves, so call before visiting.
How can I verify Lawrence Purves Montgomery, DDS's license?
NPPES lists Pennsylvania license number DS-023070-L, 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.
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.