Theresa Grasing, P.A-C
NPI 1245757103 · Physician Assistant · Annapolis, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Grasing, P.A-C is a Physician Assistant provider in Annapolis, MD (NPI 1245757103).
Provider details
- NPI number
- 1245757103
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
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
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
598 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 499 | $118 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 70 | $31 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $158 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 11 | $99 |
Typical Medicare-allowed amounts for these services range $31–$158 (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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 270 | 69 |
| Metformin Hcl | 109 | 33 |
| Semaglutidebrand: Ozempic | 103 | 23 |
| Levothyroxine Sodiumbrand: Synthroid | 87 | 28 |
| Methimazole | 64 | 17 |
| Empagliflozinbrand: Jardiance | 63 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,300 across 62 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
- 2017-08-23
- Last updated
- 2022-07-21
Frequently asked questions
- What is Theresa Grasing's NPI number?
- Theresa Grasing's National Provider Identifier (NPI) is 1245757103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Grasing's specialty?
- Theresa Grasing is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theresa Grasing located?
- Theresa Grasing's practice location on file with NPPES is 108 Forbes St Fl 2, Annapolis, MD 21401-1502.
- What is Theresa Grasing's phone number?
- The practice phone number listed in the NPPES registry for Theresa Grasing is (410) 940-6645.
- Does Theresa Grasing accept Medicare?
- Theresa Grasing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Grasing's NPI active?
- Yes — Theresa Grasing's NPI (1245757103) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.