Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Erica Lyn Hartmann, MD
Nephrology Physician in Atlanta, GA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154306587
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Registry record
Entity type Individual (Type 1)
Name Erica Lyn Hartmann
Credential MD
Sex Female
Practice address 1968 Peachtree Rd Nw, Bldg 77 5th Floor, Atlanta, GA, 30309
Phone (404) 605-4602
Fax (404) 367-4447
Enumeration date Dec 8, 2005
Last updated in NPPES Jul 8, 2010
Taxonomy & licenses
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License 200300045 (NC) Secondary
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 |
|---|---|---|---|
| C3082 | Other | - | MEDCOST |
| 802249 | Other | - | PARTNERS |
| 89133V3 | Medicaid | NC | - |
| Q45003 | Medicaid | SC | - |
| 133V3 | Other | - | BCBS |
| 2006272000 | Medicaid | WV | - |
| 5884420 | Medicaid | VA | - |
| 7824264 | Other | - | AETNA |
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Erica Hartmann?
Erica Hartmann is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-07-08.