DAVID J. SLY (DO) – Family Medicine Physician, NPI 1255387148
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,656 FAMILY PRACTICE in IA
Provider Addresses for DAVID J. SLY (DO)
PO BOX 328
SIOUX CITY, IA 511020328
Phone: (712) 279-5836
Fax: (712) 279-5883
Type: Mailing
12 37TH STREET PL
SIOUX CITY, IA 511042102
Phone: (712) 490-7815
Fax: (712) 214-5804
Type: Location
12 37th Street Pl
Sioux City, IA 511042102
Phone: (712) 490-7815
Fax: (712) 214-5804
Type: Location
2201 E Camelback Rd Ste 101A
Phoenix, AZ 850163495
Phone: (888) 663-6331
Fax: (415) 252-7176
Type: Location
2 Embarcadero Ctr Lbby Level
San Francisco, CA 941113823
Phone: (888) 663-6331
Fax: (415) 252-7176
Type: Location
1350 Connecticut Ave NW Ste 1250
Washington, DC 200361728
Phone: (888) 663-6331
Fax: (415) 252-7176
Type: Location
1 EMBARCADERO CTR STE 1900
SAN FRANCISCO, CA 941113723
Phone: (415) 658-6791
Type: Mailing
2 W PORTAL AVE
SAN FRANCISCO, CA 941271304
Phone: (888) 663-6331
Fax: (415) 252-7176
Type: Location
South Sioux City, Dakota County, Nebraska, 68776, United States
SOUTH SIOUX CITY, NE 687761703
Phone: (402) 494-3064
Fax: (402) 494-2656
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2024-10-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20181222000373 | I | Family Practice | IA | TBD |
| I20240404000888 | I | Family Practice | AZ | TBD |
| I20240415003376 | I | Family Practice | TX | TBD |
| I20241011002024 | I | Family Practice | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 51102)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiac Electrophysiology | MS | |
| - | TX | |
| Infectious Disease | MI | |
| Internal Medicine | TX | |
| - | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | TX | |
| D E R M A T O L O G Y | TX | |
| - | NY | |
| - | TX |
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.