Christine Yokoyama, MD
NPI 1588158737 · Dermatology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Yokoyama, MD is a Dermatology Physician provider in Saint Louis, MO (NPI 1588158737).
Provider details
- NPI number
- 1588158737
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2022019867 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
76 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $123 |
| Biopsy of Related Skin Growth, First Growth11102 | 12 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $108 |
Typical Medicare-allowed amounts for these services range $87–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 45 | 19 |
| Triamcinolone Acetonide | 35 | 12 |
| Clobetasol Propionate | 28 | — |
| Clindamycin Phosphate | 16 | — |
| Hydrocortisone | 15 | — |
| Mometasone Furoate | 15 | — |
| Mupirocin | 13 | — |
| Ixekizumabbrand: Taltz Autoinjector | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$96 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-20
- Last updated
- 2025-04-17
- Certified
- 2022-06-13
Frequently asked questions
- What is Christine Yokoyama's NPI number?
- Christine Yokoyama's National Provider Identifier (NPI) is 1588158737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Yokoyama's specialty?
- Christine Yokoyama is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Yokoyama located?
- Christine Yokoyama's practice location on file with NPPES is 4901 Forest Park Ave, Saint Louis, MO 63108-1495.
- What is Christine Yokoyama's phone number?
- The practice phone number listed in the NPPES registry for Christine Yokoyama is (314) 747-8688.
- Does Christine Yokoyama accept Medicare?
- Christine Yokoyama is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Yokoyama's NPI active?
- Yes — Christine Yokoyama's NPI (1588158737) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.