DR. CYNTHIA LARSON (MD) – Internal Medicine Physician, NPI 1013938802
Internal Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
3,636 INTERNAL MEDICINE in MN
Provider Addresses for DR. CYNTHIA LARSON (MD)
1700 HIGHWAY 25 N
BUFFALO, MN 553131930
Phone: (763) 682-1313
Fax: (763) 581-9090
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)
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: 2010-09-22
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 |
|---|---|---|---|---|
| I20100922000910 | I | Internal Medicine | MN | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 461 | 230 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 444 | 185 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 378 | 221 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 363 | 213 | $0 |
| 81001 | Manual urinalysis test with examination using microscope, automated | 321 | 201 | $0 |
Insurance plans in this area (ZIP 55313)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MN | 83036 | Hemoglobin A1C level | 80 | 47 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MN | |
| Family Practice | MN | |
| Certified Nurse Midwife (Cnm) | MN | |
| Family Practice | MN | |
| Physician Assistant | MN | |
| Family Practice | MN | |
| Family Practice | MN | |
| Nurse Practitioner | MN | |
| Family Practice | MN | |
| Physician Assistant | MN |
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