Elizabeth Weston-Hammang, MD
NPI 1639169188 · Family Medicine Physician · Granger, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Weston-Hammang, MD is a Family Medicine Physician provider in Granger, IN (NPI 1639169188).
Provider details
- NPI number
- 1639169188
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 01058403A (IN)
Specialties & taxonomies
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
3,498 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 | 553 | $116 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 414 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 318 | $15 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 268 | $10 |
| Hemoglobin A1c Level83036 | 185 | $10 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 428 | 134 |
| Levothyroxine Sodium | 390 | 105 |
| Amlodipine Besylate | 232 | 73 |
| Losartan Potassium | 201 | 61 |
| Lisinopril | 197 | 58 |
| Omeprazole | 170 | 57 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$171 across 8 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
- 2005-10-26
- Last updated
- 2016-08-02
Frequently asked questions
- What is Elizabeth Weston-Hammang's NPI number?
- Elizabeth Weston-Hammang's National Provider Identifier (NPI) is 1639169188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Weston-Hammang's specialty?
- Elizabeth Weston-Hammang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Weston-Hammang located?
- Elizabeth Weston-Hammang's practice location on file with NPPES is 52500 Fir Rd, Granger, IN 46530-8579.
- What is Elizabeth Weston-Hammang's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Weston-Hammang is (574) 271-0700.
- Does Elizabeth Weston-Hammang accept Medicare?
- Elizabeth Weston-Hammang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Weston-Hammang's NPI active?
- Yes — Elizabeth Weston-Hammang's NPI (1639169188) is active in the NPPES registry as of the last update on 2016-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.