Dr. Michael D Baum, MD
Dr. Michael D Baum is a Ophthalmology Physician provider (Ophthalmology) practicing in Silver Spring, MD, registered in the NPPES registry with NPI 1689662140 since 2005. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1689662140 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Michael D Baum |
| Credential | MD |
| Sex | Male |
| Practice address | Silver Spring, MD, 20910 |
| Phone | 3015871800 |
| Fax | 3015871804 |
| Enumeration date | 2005-10-10 |
| Last updated in NPPES | 2010-02-22 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207W00000X | Ophthalmology Physician | Primary | D21236 | MD |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: Michael Baum, MD NPI: 1689662140 Taxonomy: 207W00000X (Ophthalmology Physician) Address: Silver Spring, MD, 20910
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1326046657 | Orthopaedic Surgeons of Montgomery County, P.A. | Organization | Specialist | Silver Spring, MD |
| 1326083353 | Marie Choppin | Individual | Clinical Social Worker | Silver Spring, MD |
| 1205938461 | Karen Winer | Individual | Pediatrics Physician | Silver Spring, MD |
| 1295826949 | Rosita Dee | Individual | Neurology Physician | Silver Spring, MD |
| 1306939848 | Beth Richie | Individual | Psychologist | Silver Spring, MD |
| 1639201643 | Mary Wisthoff | Individual | Registered Nurse | Silver Spring, MD |
| 1124248810 | Helena Jareb | Individual | Cognitive & Behavioral Psychologist | Silver Spring, MD |
| 1538371208 | Debra Epard | Individual | Chiropractor | Silver Spring, MD |
Verify this record
Cross-check NPI 1689662140 against the authoritative CMS record: view Dr. Michael D Baum on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-02-22.