Courtney Tessmer, PA-C
NPI 1720537731 · Physician Assistant · Royal Oak, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Courtney Tessmer, PA-C is a Physician Assistant provider in Royal Oak, MI (NPI 1720537731).
Provider details
- NPI number
- 1720537731
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6801090650 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
503 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) |
|---|---|---|
| Psychotherapy, 30 Minutes90832 | 239 | $58 |
| Psychiatric Diagnostic Evaluation90791 | 99 | $129 |
| Psychiatric Services Complicated By Communication Factor90785 | 86 | $11 |
| Psychotherapy, 1 Hour90837 | 79 | $112 |
Typical Medicare-allowed amounts for these services range $11–$129 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 130 | 22 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 109 | 15 |
| Duloxetine Hcl | 108 | 15 |
| Clonazepam | 100 | 12 |
| Lamotrigine | 73 | 11 |
| Quetiapine Fumarate | 68 | 13 |
| Bupropion Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$512 across 28 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
- 2016-10-03
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Courtney Tessmer's NPI number?
- Courtney Tessmer's National Provider Identifier (NPI) is 1720537731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Tessmer's specialty?
- Courtney Tessmer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Courtney Tessmer located?
- Courtney Tessmer's practice location on file with NPPES is 221 S Main St Ste 201, Royal Oak, MI 48067-2653.
- What is Courtney Tessmer's phone number?
- The practice phone number listed in the NPPES registry for Courtney Tessmer is (248) 398-6459.
- Does Courtney Tessmer accept Medicare?
- Courtney Tessmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Courtney Tessmer's NPI active?
- Yes — Courtney Tessmer's NPI (1720537731) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.