Lydia Christiansen, MD
NPI 1952499667 · Anatomic Pathology & Clinical Pathology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lydia Christiansen, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Charleston, SC (NPI 1952499667).
Provider details
- NPI number
- 1952499667
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 23974 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,818 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 870 | $34 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 193 | $52 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 158 | $26 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 148 | $75 |
| Pathology Examination of Specimen During Surgery, First Tissue Block88331 | 85 | $57 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 61 | $10 |
Practice location
Mailing address
Additional practice locations (1)
- 1719 E 19th AveDenver, CO 80218-1235Phone: (720) 754-6851Fax: (303) 869-1786
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2025-05-29
- Certified
- 2025-05-29
Frequently asked questions
- What is Lydia Christiansen's NPI number?
- Lydia Christiansen's National Provider Identifier (NPI) is 1952499667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Christiansen's specialty?
- Lydia Christiansen is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Lydia Christiansen located?
- Lydia Christiansen's practice location on file with NPPES is 9330 Medical Plaza Dr, Charleston, SC 29406-9104.
- What is Lydia Christiansen's phone number?
- The practice phone number listed in the NPPES registry for Lydia Christiansen is (843) 847-4179.
- Does Lydia Christiansen accept Medicare?
- Lydia Christiansen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lydia Christiansen's NPI active?
- Yes — Lydia Christiansen's NPI (1952499667) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.