DR. MARY CAROLYN FAHRMEIER (MD) – Psychiatry Physician, NPI 1245252303
Psychiatry Physician
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NPPES metrics only — not quality of care.
821 PSYCHIATRY in MO
Provider Addresses for DR. MARY CAROLYN FAHRMEIER (MD)
2305 SOUTH 65 HIGHWAY, BUILDING A
MARSHALL, MO 653403702
Phone: (660) 886-7800
Fax: (660) 831-3328
Type: Mailing
1500 Commonwealth Ave
Williamsburg, VA 231855229
Phone: (757) 585-2250
Fax: (757) 903-2285
Type: Location
20201 Crawford Ave
Olympia Fields, IL 604611010
Phone: (219) 866-5141
Fax: (708) 679-2161
Type: Location
515 22nd Ave
Monroe, WI 535661569
Phone: (608) 324-2000
Type: Location
3249 OAK PARK AVE
BERWYN, IL 604023429
Phone:
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: 2024-03-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 10 Medicare enrollment records; no due dates published yet.
Enrollment records
10
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 |
|---|---|---|---|---|
| I20060814000444 | I | Psychiatry | MO | TBD |
| I20200416001967 | I | Psychiatry | MT | TBD |
| I20210108000257 | I | Psychiatry | VA | TBD |
| I20210504001869 | I | Psychiatry | FL | TBD |
| I20220603002401 | I | Psychiatry | WI | TBD |
| I20220720000119 | I | Psychiatry | IL | TBD |
| I20221114001491 | I | Psychiatry | WA | TBD |
| I20230822004312 | I | Psychiatry | CO | TBD |
| I20240305003808 | I | Psychiatry | NJ | TBD |
| I20240329000654 | I | Psychiatry | WV | 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 |
|---|---|---|---|---|
| 90792 | Psychiatric diagnostic evaluation with medical services | 147 | 143 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 41 | 37 | $0 |
Insurance plans in this area (ZIP 65340)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | MO | 90792 | Psychiatric diagnostic evaluation with medical services | 39 | 37 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Clinical Psychologist | WI | |
| - | WI | |
| P A T H O L O G Y | IL | |
| - | LA | |
| Emergency Medicine | WI | |
| A N E S T H E S I O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| Nurse Practitioner | WI |
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