Tammy Chase, N.P.
NPI 1699146779 · Nurse Practitioner · Crown Point, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Chase, N.P. is a Nurse Practitioner provider in Crown Point, IN (NPI 1699146779).
Provider details
- NPI number
- 1699146779
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 71005859A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
763 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 262 | $71 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 92 | $50 |
| Automated Urinalysis Test81003 | 71 | $2 |
| X-Ray of Chest, 2 Views71046 | 64 | $26 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 59 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 121 | 121 |
| Prednisone | 54 | 53 |
| Amoxicillin | 45 | 45 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 37 | 37 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 35 | 34 |
| Cephalexin | 35 | 35 |
| Cefdinir | 25 | 25 |
Practice location
Mailing address
Additional practice locations (2)
- 4111 Franklin StMichigan City, IN 46360-7803Phone: (219) 873-2919Fax: (219) 873-2909
- 4111 Franklin StMichigan City, IN 46360-7803Phone: (219) 873-2919Fax: (219) 873-2909
Registry dates
- Enumerated
- 2015-10-14
- Last updated
- 2023-04-14
- Certified
- 2023-04-14
Frequently asked questions
- What is Tammy Chase's NPI number?
- Tammy Chase's National Provider Identifier (NPI) is 1699146779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Chase's specialty?
- Tammy Chase is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Chase located?
- Tammy Chase's practice location on file with NPPES is 12800 Mississippi Pkwy Ste B100, Crown Point, IN 46307-6901.
- What is Tammy Chase's phone number?
- The practice phone number listed in the NPPES registry for Tammy Chase is (219) 662-5700.
- Does Tammy Chase accept Medicare?
- Tammy Chase is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Chase's NPI active?
- Yes — Tammy Chase's NPI (1699146779) is active in the NPPES registry as of the last update on 2023-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.