MICHAEL B VOLLMAR (MD) – Psychiatry Physician, NPI 1922012392
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
851 PSYCHIATRY in CT
Loading map...
Provider Addresses for MICHAEL B VOLLMAR (MD)
60, Washington Avenue, Centerville, Hamden, New Haven County, Connecticut, 06518, United States
SUITE 304
HAMDEN, CT 06518
Phone: (203) 281-2890
Fax: (203) 281-2896
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $27.
Total Amount is formed as General ($27) + Research ($0) + Ownership ($0) = $27.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($27).
Total Amount
$27
General + Research + Ownership
Payments
1
Total payment records
General Amount
$27
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $27 |
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: 2010-10-13
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 |
|---|---|---|---|---|
| I20101013000969 | I | Psychiatry | CT | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 528 | 50 | $0 |
| 90836 | Psychotherapy with evaluation and management visit, 45 minutes | 403 | 40 | $0 |
| 90870 | Therapy using electrical currents | 179 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 26 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 60 | 15 | $0 |
Insurance plans in this area (ZIP 06518)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | CT | 90836 | Psychotherapy, 45 minutes with patient and/or family member | 449 | 62 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CT | |
| P S Y C H I A T R Y | CT | |
| Clinical Social Worker | CT | |
| - | CT | |
| P S Y C H I A T R Y | CT | |
| Clinical Social Worker | CT | |
| - | CT | |
| - | CT | |
| Mental Health Counselor | CT | |
| Clinical Social Worker | CT |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.