Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Chaweng Ongkasuwan, M.D.
Specialist in Baltimore, MD · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073507273
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Registry record
Entity type Individual (Type 1)
Name Dr. Chaweng Ongkasuwan
Credential M.D.
Sex Male
Practice address 716 Maiden Choice Ln, Suite 204, Baltimore, MD, 21228
Phone (410) 788-6738
Fax (410) 719-6910
Enumeration date Sep 2, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 36299 | Other | MD | MAMSI/OPT/MDIPA PROV. ID |
| 0129001 | Other | MD | AETNA PROVIDER ID |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Chaweng Ongkasuwan practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Chaweng Ongkasuwan?
The National Provider Identifier (NPI) for Chaweng Ongkasuwan is 1073507273, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Glen Johnson Internal Medicine Physician · Baltimore, MD NPI 1730173675 David Strobel Dermatology Physician · Catonsville, MD NPI 1134106164 Jeffrey Metts Internal Medicine Physician · Baltimore, MD NPI 1073565529 Ramana Gopalan Internal Medicine Physician · Baltimore, MD NPI 1851332563 Yunyong Yunyongying General Practice Physician · Baltimore, MD NPI 1497789564 Abdollah Shams Pirzadeh Specialist · Baltimore, MD NPI 1609953140 Jayant Desai Surgery Physician · Baltimore, MD NPI 1619021003 Paiboon Surichamorn Surgery Physician · Catonsville, MD NPI 1689713661
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.