Joanna Chan, M.D.
NPI 1588714430 · MOHS-Micrographic Surgery Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Chan, M.D. is a MOHS-Micrographic Surgery Physician provider in Long Beach, CA (NPI 1588714430).
Provider details
- NPI number
- 1588714430
- Entity type
- Individual
- Primary specialty
- MOHS-Micrographic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- N1579 (TX)
Specialties & taxonomies
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 tenure25% of score
19 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
5,288 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 988 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 687 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 494 | $103 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, Each Additional Stage, 1-5 Tissue Blocks17312 | 379 | $488 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, 1-5 Tissue Blocks17311 | 338 | $552 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 359 | 258 |
| Mupirocin | 147 | 121 |
| Doxycycline Hyclate | 110 | 81 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 46 | 41 |
| Lorazepam | 28 | 22 |
| Minoxidil | 26 | — |
| Valacyclovir Hclbrand: Valacyclovir | 25 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,048 across 111 records (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
- 2007-01-11
- Last updated
- 2012-02-09
Frequently asked questions
- What is Joanna Chan's NPI number?
- Joanna Chan's National Provider Identifier (NPI) is 1588714430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Chan's specialty?
- Joanna Chan is listed in the NPPES registry with a primary specialty of MOHS-Micrographic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Chan located?
- Joanna Chan's practice location on file with NPPES is 3918 Long Beach Blvd., Long Beach, CA 90807.
- What is Joanna Chan's phone number?
- The practice phone number listed in the NPPES registry for Joanna Chan is (562) 997-1144.
- Does Joanna Chan accept Medicare?
- Joanna Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Chan's NPI active?
- Yes — Joanna Chan's NPI (1588714430) is active in the NPPES registry as of the last update on 2012-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.