Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William D Parnes, MD
Specialist in Columbia, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548238264
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Registry record
Entity type Individual (Type 1)
Name William D Parnes
Credential MD
Sex Male
Practice address 11085 Little Patuxent Pkwy, Suite 101, Columbia, MD, 21044
Phone (410) 997-7979
Fax (410) 997-9231
Enumeration date Mar 9, 2006
Last updated in NPPES Dec 10, 2010
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 |
|---|---|---|---|
| 225086 | Other | MD | MAMSI CARDIOLOGY |
| 34568002 | Other | MD | CAREFIRST BCBS MD |
| 0481439 | Other | MD | AETNA HEALTHCARE (HMO) |
| 4105483 | Other | MD | AETNA HEALTHCARE (NON-HMO |
| 2500255 | Other | MD | UNITED HEALTHCARE |
| 0003 | Other | MD | CAREFIRST BCBS PPO |
| 05865 | Other | MD | AMERIGROUP |
| 189251700 | Medicaid | MD | - |
| 23680 | Other | MD | JHHC |
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
What is the NPI number for William Parnes?
The National Provider Identifier (NPI) for William Parnes is 1548238264, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Parnes practice?
The practice location on file with NPPES is in Columbia, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Francis Chuidian Pulmonary Disease Physician · Columbia, MD NPI 1497750541 Yvette Anderson Certified Registered Nurse Anesthetist · Columbia, MD NPI 1447256011 Charles Lancelotta Jr. Neurological Surgery Physician · Columbia, MD NPI 1023016334 Phyllis Wells Obstetrics & Gynecology Nurse Practitioner · Columbia, MD NPI 1699776831 Gretchen Shapero Medical Physician Assistant · Columbia, MD NPI 1073514295 Laura Lynch Obstetrics & Gynecology Nurse Practitioner · Columbia, MD NPI 1124029285 Jeri Shuster Gynecology Physician · Columbia, MD NPI 1487644894 Natalie Getzoff Neurology Physician · Columbia, MD NPI 1558335380
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-12-10.