DAVID D HAMLAR MD
NPI 1720044357
Otolaryngology in St. Paul, MN
About David D Hamlar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID D HAMLAR MD (NPI 1720044357) is an individual otolaryngology provider in St. Paul, Minnesota, licensed in Minnesota (37132) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Regions Hospital, and is a graduate of Ohio State University College Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David D Hamlar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show David Hamlar reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Saint Paul, MN 55107
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Inver Grove Heights, MN 55077
- Reassigned Medicare billing, Minnesota enrollment
Sartell, MN 56377
- Reassigned Medicare billing, Minnesota enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Regions Hospital
Acute Care Hospitals · Saint Paul, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55130 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ST. PAUL, MN 55130
ST. PAUL, MN 55130
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Hamlar's NPI number?
The NPI number for David Hamlar is 1720044357. It was assigned to this individual provider in the NPPES registry on April 22, 2006.
Where is David Hamlar located?
David Hamlar practices at 401 Phalen Blvd - Ms 41104I Healthpartners Specialty Center 401, St. Paul, MN 55130. The listed phone number is (651) 254-8550.
What is David Hamlar's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is David Hamlar enrolled in Medicare?
Yes. David Hamlar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Hamlar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Hamlar reassigns Medicare benefits to 6 organizations: Fairview Express Care (Saint Paul, MN), Group Health, Inc. (Saint Paul, MN), University Of Minnesota Health Clinics And Surgery Center Inc (Minneapolis, MN), University Of Minnesota Physicians (Minneapolis, MN), David Hamlar MD LLC (Inver Grove Heights, MN) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Hamlar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Hamlar accept?
Health plans from HealthPartners and Sanford Health Plan list David Hamlar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is David Hamlar affiliated with any hospitals?
According to CMS data, David Hamlar is affiliated with Regions Hospital.
When was this NPI record last updated?
The NPPES record for David Hamlar was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# David D Hamlar, MD · NPI 1720044357
Otolaryngology physician in St. Paul, Minnesota. Individual provider, active in the CMS NPPES registry since April 22, 2006.
## Identity
- **NPI:** 1720044357 (Entity type: Individual)
- **Enumerated:** April 22, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 37132 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 PHALEN BLVD - MS 41104I, HEALTHPARTNERS SPECIALTY CENTER 401, St. Paul, MN 55130-5302
- **Phone:** (651) 254-8550 · **Fax:** (651) 254-8558
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Fairview Express Care (NPI 1275277204, Saint Paul, MN); Group Health, Inc. (NPI 1801941943, Saint Paul, MN); University Of Minnesota Health Clinics And Surgery Center Inc (NPI 1003485004, Minneapolis, MN); University Of Minnesota Physicians (NPI 1477598118, Minneapolis, MN); David Hamlar MD LLC (NPI 1720923238, Inver Grove Heights, MN); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1989
## Record status
- **NPPES last updated:** April 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1720044357) · Data from the CMS NPPES public registry.