Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nirupama Aggarwal, OD
Optometrist in Portland, ME · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1871599928
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Nirupama Aggarwal
Credential OD
Sex Female
Practice address 15 Lowell St, Portland, ME, 04102
Phone (207) 774-8277
Fax (207) 699-5850
Enumeration date Jun 23, 2005
Last updated in NPPES Apr 21, 2020
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 309900099 | Medicaid | ME | - |
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
How do I verify Nirupama Aggarwal's NPI record?
Cross-check NPI 1871599928 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1871599928 active?
Yes, as of the latest NPPES snapshot, NPI 1871599928 is active (record last updated 2020-04-21).
Other providers at this practice address
Browse all → Robert Cady Glaucoma Specialist (Ophthalmology) Physician · Portland, ME NPI 1174529564 Frank Read Ophthalmology Physician · Portland, ME NPI 1295731677 Frederick Miller Ophthalmology Physician · Portland, ME NPI 1376549402 John Walters Optometrist · Portland, ME NPI 1689670762 Charles Zacks Ophthalmology Physician · Portland, ME NPI 1790781839 Peter Hedstrom Ophthalmology Physician · Portland, ME NPI 1902802028 Jill Amundson Optometrist · Portland, ME NPI 1710983861 Natan Kahn Ophthalmic Plastic and Reconstructive Surgery Physician · Portland, ME NPI 1568468635
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-21.