Lee J. Guo, D.O.
Internal Medicine Physician · Paoli, PA
Lee J. Guo, D.O. is an internal medicine physician with a practice address in Paoli, Pennsylvania, and NPI 1316234263, issued on Jun 29, 2011. Check the license (Pennsylvania OS017049, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Lee J. Guo
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS017049 PA
Self-reported in NPPES; status is on the state search - Practice location
- 255 W Lancaster Ave Mob 2 Ste 120, Paoli, PA 19301
- Phone
- (610) 644-9456
- Enumerated
- Jun 29, 2011
- Record last updated
- Jul 21, 2022
- Fax
- (610) 644-5203
- Medicare enrollment
- Enrolled (PECOS I20160330001727); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 255 W Lancaster Ave Mob 2 Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Cohen, DOInternal Medicine Physician1962479576
- Ralph Lanza, MDInternal Medicine Physician1285601039
- Christopher Lucas, DOInternal Medicine Physician1538136387
Verify Lee J. Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS017049Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,876 Medicare Part D claims for 222 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium176 claims
- Levothyroxine Sodium154 claims
- Atorvastatin Calcium140 claims
- Amlodipine Besylate92 claims
- Ezetimibe88 claims
- Lorazepam87 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.
Industry payments in 2024: $113.46
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Great Valley Medical Associates, PCPaoli, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lee J. Guo among 7,300 internal medicine physician records in Pennsylvania
Lee J. Guo, D.O. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 52% of them.
- NPI issued2011 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2008 among the 4,208 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Paoli
They are 40 of the 902 NPPES records with a practice address in Paoli, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Paoli → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peter Blackstone, D.O.Paoli, PA 193011053391854
- Martamarie Byron, MDPaoli, PA 193011891768669
- Jill Cohen, DOPaoli, PA 193011962479576
- Damian Cornacchia, D.O.Paoli, PA 193011417936550
- William Greer, M.D.Paoli, PA 193011598722472
- Victoriya Hageney, M.D.Paoli, PA 193011679576144
- Ralph Lanza, MDPaoli, PA 193011285601039
- Mark Levy, MDPaoli, PA 193011194765297
Common questions
What is Lee J. Guo, D.O.'s NPI number?
Lee J. Guo, D.O.'s National Provider Identifier (NPI) is 1316234263, issued on Jun 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Lee J. Guo, D.O. located?
The NPPES record lists a practice address at 255 W Lancaster Ave Mob 2 Ste 120, Paoli, PA, 19301. Phone: (610) 644-9456. Providers update this record themselves, so call before visiting.
How can I verify Lee J. Guo, D.O.'s license?
NPPES lists Pennsylvania license number OS017049, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lee J. Guo, D.O. prescribe under Medicare Part D?
In 2024, Lee J. Guo, D.O. had 2,876 Medicare Part D claims for 222 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.