Chao Yang, MD
NPI 1245640705 · Dermatology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chao Yang, MD is a Dermatology Physician provider in Boston, MA (NPI 1245640705).
Provider details
- NPI number
- 1245640705
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 274028 (MA)
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 tenure28% of score
12 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
432 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $71 |
| Telephone, Internet, Or Electronic Health Record Assessment and Management With Written Report By Consulting Physician, at Least 5 Minutes99451 | 55 | $37 |
| Biopsy of Related Skin Growth, First Growth11102 | 49 | $36 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 48 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $102 |
| Destruction of Precancer Skin Growth, 1 Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 54 | 25 |
| Triamcinolone Acetonide | 44 | 31 |
| Hydrocortisone | 37 | 20 |
| Apremilastbrand: Otezla | 23 | — |
| Ketoconazole | 18 | 14 |
| Tacrolimus | 18 | — |
| Metronidazole | 16 | — |
| Doxycycline Hyclate |
Practice location
Mailing address
Additional practice locations (1)
- 1800 Orleans StBaltimore, MD 21287-0010Phone: (410) 022-0375Fax: (410) 955-0737
Registry dates
- Enumerated
- 2014-05-05
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Chao Yang's NPI number?
- Chao Yang's National Provider Identifier (NPI) is 1245640705, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chao Yang's specialty?
- Chao Yang is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Chao Yang located?
- Chao Yang's practice location on file with NPPES is 221 Longwood Ave Dept of, Boston, MA 02115-5817.
- What is Chao Yang's phone number?
- The practice phone number listed in the NPPES registry for Chao Yang is (202) 741-3000.
- Does Chao Yang accept Medicare?
- Chao Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chao Yang's NPI active?
- Yes — Chao Yang's NPI (1245640705) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.