Arjan Singh Ahluwalia, MD
Internal Medicine Physician · Allentown, PA
Arjan Singh Ahluwalia, MD is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1396304739, issued on Jun 10, 2019. Check the license (Pennsylvania MD478466, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Arjan Singh Ahluwalia
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD478466 PA
HS000009L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1627 Chew St # 101, Allentown, PA 18102
- Phone
- (610) 969-4370
- Enumerated
- Jun 10, 2019
- Record last updated
- Dec 8, 2022
- Medicare enrollment
- Enrolled (PECOS I20220803002292); accepts Medicare assignment
- 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 1627 Chew St # 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Antonio Lopez, MDInternal Medicine Physician1558922567
- Dylan Soller, DOInternal Medicine Physician1366001307
Verify Arjan Singh Ahluwalia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD478466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,357 Medicare Part D claims for 300 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 43 claims were for opioids.
Most prescribed
- Levothyroxine Sodium48 claims
- Amlodipine Besylate40 claims
- Gabapentin36 claims
- Lisinopril36 claims
- Losartan Potassium34 claims
- Omeprazole32 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 2 group practices
- Lehigh Valley Physician GroupBethlehem, PA
- 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).
Arjan Singh Ahluwalia among 7,300 internal medicine physician records in Pennsylvania
Arjan Singh Ahluwalia, MD 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 2019, is newer than 74% of them.
- NPI issued2019 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · 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).
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
- 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
- Benjamas Rattananai, M.D.Allentown, PA 181021326307943
- Khadijah Sajid, MDAllentown, PA 181021386225753
- Dylan Soller, DOAllentown, PA 181021366001307
Common questions
What is Arjan Singh Ahluwalia, MD's NPI number?
Arjan Singh Ahluwalia, MD's National Provider Identifier (NPI) is 1396304739, issued on Jun 10, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Arjan Singh Ahluwalia, MD located?
The NPPES record lists a practice address at 1627 Chew St # 101, Allentown, PA, 18102. Phone: (610) 969-4370. Providers update this record themselves, so call before visiting.
How can I verify Arjan Singh Ahluwalia, MD's license?
NPPES lists Pennsylvania license number MD478466, 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 Arjan Singh Ahluwalia, MD prescribe under Medicare Part D?
In 2024, Arjan Singh Ahluwalia, MD had 1,357 Medicare Part D claims for 300 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.