Xiaoqing Peng, MD, PHD
NPI 1346509130 · Psychiatry Physician · Washington, DC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaoqing Peng, MD, PHD is a Psychiatry Physician provider in Washington, DC (NPI 1346509130).
Provider details
- NPI number
- 1346509130
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- MTL002758 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
491 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 296 | $80 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 73 | $51 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 49 | $121 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 37 | $176 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 | $117 |
Typical Medicare-allowed amounts for these services range $51–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 53 | 28 |
| Bupropion Hclbrand: Bupropion Xl | 23 | — |
| Hydroxyzine Hcl | 23 | 20 |
| Quetiapine Fumarate | 22 | — |
| Escitalopram Oxalate | 20 | — |
| Lurasidone Hcl | 19 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-14
- Last updated
- 2017-01-06
Frequently asked questions
- What is Xiaoqing Peng's NPI number?
- Xiaoqing Peng's National Provider Identifier (NPI) is 1346509130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaoqing Peng's specialty?
- Xiaoqing Peng is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaoqing Peng located?
- Xiaoqing Peng's practice location on file with NPPES is 1100 Alabama Ave Se, Washington, DC 20032-4540.
- What is Xiaoqing Peng's phone number?
- The practice phone number listed in the NPPES registry for Xiaoqing Peng is (202) 299-5100.
- Does Xiaoqing Peng accept Medicare?
- Xiaoqing Peng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaoqing Peng's NPI active?
- Yes — Xiaoqing Peng's NPI (1346509130) is active in the NPPES registry as of the last update on 2017-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.