DR. RICHARD VAN SHEN (M.D.) – Infectious Disease Physician, NPI 1942663919
Infectious Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
43 INFECTIOUS DISEASE in ME
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Provider Addresses for DR. RICHARD VAN SHEN (M.D.)
Maine Medical Center, 22, Bramhall Street, West End, Portland, Cumberland County, Maine, 04102, United States
PORTLAND, ME 041023134
Phone: (207) 662-0111
Type: Mailing
13851 E 14TH ST STE 308
SAN LEANDRO, CA 945782630
Phone: (925) 463-1318
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-09-13
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 |
|---|---|---|---|---|
| I20230913001300 | I | Infectious Disease | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 246 | 122 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 102 | 100 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 87 | 85 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 43 | 26 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 37 | 30 | $0 |
Insurance plans in this area (ZIP 04102)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Marriage And Family Therapist | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| O P H T H A L M O L O G Y | CA | |
| Nurse Practitioner | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O P H T H A L M O L O G Y | NY | |
| Physician Assistant | CA | |
| Gastroenterology, Internal Medicine | CA |
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