Jon Chaffee, M.D.
NPI 1881761203 · Psychiatry Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Chaffee, M.D. is a Psychiatry Physician provider in Long Beach, CA (NPI 1881761203).
Provider details
- NPI number
- 1881761203
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G69373 (CA)
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
19 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
1,555 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 | 872 | $80 |
| Therapy Using Electrical Currents90870 | 315 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 127 | $176 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 115 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $101 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 106 | 51 |
| Olanzapine | 96 | 45 |
| Risperidone | 73 | 32 |
| Gabapentin | 56 | 39 |
| Trazodone Hcl | 47 | 29 |
| Divalproex Sodium | 47 | 23 |
| Lorazepam | 46 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Jon Chaffee's NPI number?
- Jon Chaffee's National Provider Identifier (NPI) is 1881761203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Chaffee's specialty?
- Jon Chaffee is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Chaffee located?
- Jon Chaffee's practice location on file with NPPES is 5318 E 2nd St # 546, Long Beach, CA 90803-5324.
- What is Jon Chaffee's phone number?
- The practice phone number listed in the NPPES registry for Jon Chaffee is (562) 433-3220.
- Does Jon Chaffee accept Medicare?
- Jon Chaffee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Chaffee's NPI active?
- Yes — Jon Chaffee's NPI (1881761203) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.