Rena Marie Lambert, D.O.
Obesity Medicine (Internal Medicine) Physician · Allentown, PA
Rena Marie Lambert, D.O. is an obesity medicine (internal medicine) physician with a practice address in Allentown, Pennsylvania, and NPI 1639371032, issued on Jun 5, 2007. Check the license (Pennsylvania OS013957, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Rena Marie Lambert
- Credential
- D.O.
- Primary taxonomy
- Obesity Medicine (Internal Medicine) Physician 207RB0002X
- License number
- OS013957 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1243 S Cedar Crest Blvd, Allentown, PA 18103
- Phone
- (610) 402-2500
- Enumerated
- Jun 5, 2007
- Record last updated
- Feb 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (610) 402-2506
- Medicare enrollment
- Enrolled (PECOS I20070809000109); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2004
- Entity
- Type 1 · individual
7 nearest obesity medicine (internal medicine) physician records → All 8 in Pennsylvania → Look up another NPI →
Also registered at 1243 S Cedar Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaeista Ali Khaku, OTR/LOccupational Therapist1598290421
- Laurie Baker, RDRegistered Dietitian1336566389
- Elliot BeadleRegistered Dietitian1306217609
- Kathryn Boardman, RDRegistered Dietitian1861766875
- Donna Boden, RDRegistered Dietitian1154507986
- Charles Bonos, M.D.Occupational Medicine Physician1992892921
Verify Rena Marie Lambert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS013957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obesity medicine (internal medicine) physician in 2024
238 Medicare Part D claims for 59 beneficiaries, against an average of 742 among the 106 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Levothyroxine Sodium23 claims
- Alcohol Swabs20 claims
- Atorvastatin Calcium15 claims
- Lantus Solostar15 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.
Bills Medicare through one group practice
- Valley Health Partners Community Health CenterAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obesity Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 8 obesity medicine (internal medicine) physician records in Pennsylvania.
All 8 in Pennsylvania → Every provider in Allentown → Obesity Medicine (Internal Medicine) Physician nationwide →
The 7 obesity medicine (internal medicine) physician records with the nearest ZIP codes
- Monica Brandau, DOAllentown, PA 181031598923393
- Sunil Daniel, M.D.Allentown, PA 181031528375888
- Ryan Herchan, DODanville, PA 178221790487346
- Diana Pallin, MDWarrington, PA 189761962662981
- Charles Seltzer, MDPhiladelphia, PA 191021043463250
- Kimberly Wolf, D.O.Wyomissing, PA 196101114298528
- Kimberly Rotunna, RNNew Castle, PA 161051033002662
Common questions
What is Rena Marie Lambert, D.O.'s NPI number?
Rena Marie Lambert, D.O.'s National Provider Identifier (NPI) is 1639371032, issued on Jun 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rena Marie Lambert, D.O. located?
The NPPES record lists a practice address at 1243 S Cedar Crest Blvd, Allentown, PA, 18103. Phone: (610) 402-2500. Providers update this record themselves, so call before visiting.
How can I verify Rena Marie Lambert, D.O.'s license?
NPPES lists Pennsylvania license number OS013957, 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 Rena Marie Lambert, D.O. prescribe under Medicare Part D?
In 2024, Rena Marie Lambert, D.O. had 238 Medicare Part D claims for 59 beneficiaries; the average among obesity medicine (internal medicine) physician prescribers was 742. 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.