Peter Chang Sing, M.D.
NPI 1386678902 · Clinical Cardiac Electrophysiology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Chang Sing, M.D. is a Clinical Cardiac Electrophysiology Physician provider in Santa Rosa, CA (NPI 1386678902).
Provider details
- NPI number
- 1386678902
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59460 (CA)
Specialties & taxonomies
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
4,427 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,102 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 734 | $16 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 257 | $30 |
| Heart Rhythm Recording of Continous External Ekg Over 8-15 Days93246 | 217 | $14 |
| Programming of Heart Rhythm Stimulation After Drug Infusion93623 | 190 | $69 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days93248 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 387 | 80 |
| Amiodarone Hcl | 299 | 123 |
| Flecainide Acetate | 261 | 68 |
| Sacubitril/Valsartanbrand: Entresto | 154 | 25 |
| Metoprolol Succinate | 152 | 40 |
| Dronedarone Hclbrand: Multaq | 114 | 30 |
| Lisinopril | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,708 across 37 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
- 2006-07-10
- Last updated
- 2021-12-03
- Certified
- 2021-12-03
Frequently asked questions
- What is Peter Chang Sing's NPI number?
- Peter Chang Sing's National Provider Identifier (NPI) is 1386678902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Chang Sing's specialty?
- Peter Chang Sing is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Chang Sing located?
- Peter Chang Sing's practice location on file with NPPES is 500 Doyle Park Dr, Santa Rosa, CA 95405-4558.
- What is Peter Chang Sing's phone number?
- The practice phone number listed in the NPPES registry for Peter Chang Sing is (707) 573-7070.
- Does Peter Chang Sing accept Medicare?
- Peter Chang Sing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Chang Sing's NPI active?
- Yes — Peter Chang Sing's NPI (1386678902) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.