Benjamas Deborah Rattananai, M.D.
Internal Medicine Physician · Allentown, PA
Benjamas Deborah Rattananai, M.D. is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1326307943, issued on May 16, 2012. Check the license (Pennsylvania MD459111, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Benjamas Deborah Rattananai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD459111 PA
054354 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1627 Chew St, Allentown, PA 18102
- Phone
- (610) 969-3390
- Enumerated
- May 16, 2012
- Record last updated
- Jan 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20160921000394); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1627 Chew St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jenna Bower, LPCMental Health Counselor1558975763
- Katelyn Brown, CRNPPediatric Nurse Practitioner1942683909
- Natalie Burkert, MDStudent in an Organized Health Care Education/Training Program1295526176
- Emily Butler, DOInternal Medicine Physician1700378718
Verify Benjamas Deborah Rattananai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD459111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,642 Medicare Part D claims for 495 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 38 claims were for opioids.
Most prescribed
- Amlodipine Besylate542 claims
- Atorvastatin Calcium522 claims
- Furosemide513 claims
- Levothyroxine Sodium496 claims
- Quetiapine Fumarate377 claims
- Gabapentin373 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
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamas Deborah Rattananai among 7,300 internal medicine physician records in Pennsylvania
Benjamas Deborah Rattananai, M.D. 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 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2012 · median 2008 among the 4,208 with a school on file
- Record last updated2024 · 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).
218 internal medicine physician records list a practice address in Allentown
They are 218 of the 5,904 NPPES records with a practice address in Allentown, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Allentown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arjan Ahluwalia, MDAllentown, PA 181021396304739
- Emily Butler, DOAllentown, PA 181021700378718
- Maria Erazo, MDAllentown, PA 181021528145620
- Anne Larrabee Freed, MDAllentown, PA 181021164488466
- Antonio Lopez, MDAllentown, PA 181021558922567
- Sultana Qurashi, MDAllentown, PA 181021912997511
- Khadijah Sajid, MDAllentown, PA 181021386225753
- Dylan Soller, DOAllentown, PA 181021366001307
Common questions
What is Benjamas Deborah Rattananai, M.D.'s NPI number?
Benjamas Deborah Rattananai, M.D.'s National Provider Identifier (NPI) is 1326307943, issued on May 16, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Benjamas Deborah Rattananai, M.D. located?
The NPPES record lists a practice address at 1627 Chew St, Allentown, PA, 18102. Phone: (610) 969-3390. Providers update this record themselves, so call before visiting.
How can I verify Benjamas Deborah Rattananai, M.D.'s license?
NPPES lists Pennsylvania license number MD459111, 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 Benjamas Deborah Rattananai, M.D. prescribe under Medicare Part D?
In 2024, Benjamas Deborah Rattananai, M.D. had 11,642 Medicare Part D claims for 495 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.