Cassandra Grieb, PA-C
NPI 1710231311 · Medical Physician Assistant · Nashville, TN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Grieb, PA-C is a Medical Physician Assistant provider in Nashville, TN (NPI 1710231311).
Provider details
- NPI number
- 1710231311
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 2206 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
475 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 286 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 82 | $71 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 51 | $38 |
| Biopsy of Related Skin Growth, First Growth11102 | 35 | $67 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 21 | $44 |
Typical Medicare-allowed amounts for these services range $5–$71 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,164 across 54 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
- 2012-11-04
- Last updated
- 2012-11-04
Frequently asked questions
- What is Cassandra Grieb's NPI number?
- Cassandra Grieb's National Provider Identifier (NPI) is 1710231311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Grieb's specialty?
- Cassandra Grieb is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Grieb located?
- Cassandra Grieb's practice location on file with NPPES is 1900 Patterson St, Nashville, TN 37203-2119.
- What is Cassandra Grieb's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Grieb is (615) 329-0341.
- Does Cassandra Grieb accept Medicare?
- Cassandra Grieb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Grieb's NPI active?
- Yes — Cassandra Grieb's NPI (1710231311) is active in the NPPES registry as of the last update on 2012-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.