THEODORE HOBART WELLING (MD) – Surgery Physician, NPI 1023109683
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
324 SURGICAL ONCOLOGY in CA
Provider Addresses for THEODORE HOBART WELLING (MD)
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
700 KMS PLACE
ANN ARBOR, MI 48108
Phone: (734) 936-2047
Type: Mailing
39000 Bob Hope Dr
Rancho Mirage, CA 922703221
Phone: (760) 346-7655
Fax: (760) 773-1667
Type: Location
200 W Arbor Dr
San Diego, CA 921039000
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
4303 La Jolla Village Dr Ste 2110
San Diego, CA 921221396
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
9300 Campus Point Dr
LA Jolla, CA 920371300
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
1500 East Medical Center Dr
2nd floor Taubman Ctr Recp F
Ann Arbor, MI 481095332
Phone: (734) 936-5738
Type: Location
FILE 57326
LOS ANGELES, CA 900740001
Phone: (800) 926-8273
Type: Mailing
3855 HEALTH SCIENCES DR
LA JOLLA, CA 920935332
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
Mott Children's Hospital and Von Voigtlander Women's Hospital, 1500, East Medical Center Drive, Ann Arbor, Washtenaw County, Michigan, 48109, United States
2ND FLOOR TAUBMAN CTR RECP F
ANN ARBOR, MI 481095332
Phone: (734) 936-5738
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $19.
Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.
Last reported payment date: 2024-04-23 • Largest payer in this snapshot: Medtronic, Inc. ($19).
Total Amount
$19
General + Research + Ownership
Payments
1
Total payment records
General Amount
$19
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $19 |
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: 2024-06-22
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 |
|---|---|---|---|---|
| I20240622000590 | I | Surgical Oncology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 38 | 25 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 48108)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Emergency Medicine, Medical Toxicology | CA | |
| - | CA |
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