DR. HENRY HTWELAY KHIN (M.D.) – Psychiatry Physician, NPI 1871639682
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,134 PSYCHIATRY in CA
Provider Addresses for DR. HENRY HTWELAY KHIN (M.D.)
540 W Baseline Rd Ste 3
Claremont, CA 917111612
Phone: (909) 625-7175
Type: Location
2331 El Capitan Ave
Arcadia, CA 910065112
Phone: (909) 579-2555
Fax: (909) 579-2118
Type: Location
2331, El Capitan Avenue, Arcadia, Los Angeles County, California, 91006, United States
ARCADIA, CA 91006
Phone: (626) 574-7102
Fax: (626) 574-3970
Type: Mailing
732 N MOUNTAIN AVE STE A
UPLAND, CA 917864372
Phone: (909) 579-2555
Fax: (909) 579-2118
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 85 Open Payments records for all available years, with a total value of $1,534.
Total Amount is formed as General ($1,534) + Research ($0) + Ownership ($0) = $1,534.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: ABBVIE INC. ($887).
Total Amount
$1,534
General + Research + Ownership
Payments
85
Total payment records
General Amount
$1,534
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $887 |
| Teva Pharmaceuticals USA, Inc. | $293 |
| Janssen Pharmaceuticals, Inc | $110 |
| Corium, LLC | $64 |
| Indivior Inc. | $56 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2003-11-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20031106000689 | I | Psychiatry | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,789 | 299 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,107 | 245 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 239 | 93 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 92 | 91 | $0 |
Insurance plans in this area (ZIP 91711)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Marriage And Family Therapist | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Clinical Social Worker | CA | |
| Clinical Social Worker | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| P S Y C H I A T R Y | MI |
Reviews
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