F CARL MUELLER (M D) – Psychiatry Physician, NPI 1497763080
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
31 GERIATRIC PSYCHIATRY in CT
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Provider Addresses for F CARL MUELLER (M D)
999, Summer Street, Northfield, Stamford, Fairfield County, Connecticut, 06905, United States
SUITE 200
STAMFORD, CT 069055546
Phone: (203) 357-7773
Fax: (203) 357-9030
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 137 Open Payments records for all available years, with a total value of $2,572.
Total Amount is formed as General ($2,572) + Research ($0) + Ownership ($0) = $2,572.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($982).
Total Amount
$2,572
General + Research + Ownership
Payments
137
Total payment records
General Amount
$2,572
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $982 |
| Otsuka America Pharmaceutical, Inc. | $396 |
| Alkermes, Inc. | $345 |
| Lundbeck LLC | $266 |
| ITI, Inc. | $234 |
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: 2010-11-13
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20101113000109 | I | Geriatric 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 | 1,042 | 193 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 111 | 35 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 13 | 13 | $0 |
Insurance plans in this area (ZIP 06905)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GERIATRIC PSYCHIATRY | CT | 90792 | Psychiatric diagnostic evaluation with medical services | 17 | 17 |
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