Robert Knowlan, MD
NPI 1609872381 · Orthopaedic Surgery Physician · Oak Park Heights, MN
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Knowlan, MD is a Orthopaedic Surgery Physician provider in Oak Park Heights, MN (NPI 1609872381).
Provider details
- NPI number
- 1609872381
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 40732 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,047 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 227 | $85 |
| X-Ray of Knee, 3 Views73562 | 209 | $39 |
| X-Ray of Hip, 2-3 Views73502 | 156 | $45 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 124 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $120 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 213 | 155 |
| Methylprednisolone | 49 | 46 |
| Clindamycin Hcl | 36 | 31 |
| Ibuprofen | 31 | 24 |
| Tramadol Hcl | 31 | 26 |
| Meloxicam | 29 | 14 |
| Oxycodone Hcl | 21 | 13 |
| Hydroxyzine Hcl | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$164 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2015-06-30
Frequently asked questions
- What is Robert Knowlan's NPI number?
- Robert Knowlan's National Provider Identifier (NPI) is 1609872381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Knowlan's specialty?
- Robert Knowlan is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Knowlan located?
- Robert Knowlan's practice location on file with NPPES is 5803 Neal Ave N, Oak Park Heights, MN 55082-2177.
- What is Robert Knowlan's phone number?
- The practice phone number listed in the NPPES registry for Robert Knowlan is (651) 439-8807.
- Does Robert Knowlan accept Medicare?
- Robert Knowlan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Knowlan's NPI active?
- Yes — Robert Knowlan's NPI (1609872381) is active in the NPPES registry as of the last update on 2015-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.