Teresa Schaer, M.D., F.A.C.P.
NPI 1639116395 · Internal Medicine Physician · Dayton, NJ
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teresa Schaer, M.D., F.A.C.P. is a Internal Medicine Physician provider in Dayton, NJ (NPI 1639116395).
Provider details
- NPI number
- 1639116395
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., F.A.C.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MA49826 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
360 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 | 158 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 74 | $197 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 20 | $7 |
| Removal of Impacted Ear Wax69210 | 16 | $52 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 318 | 74 |
| Rosuvastatin Calcium | 162 | 45 |
| Estradiolbrand: Estradiol (twice Weekly) | 136 | 41 |
| Amlodipine Besylate | 92 | 27 |
| Estradiolbrand: Dotti | 76 | 20 |
| Metformin Hcl | 67 | 23 |
| Alprazolam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 1 record (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
- 2006-06-01
- Last updated
- 2011-11-07
Frequently asked questions
- What is Teresa Schaer's NPI number?
- Teresa Schaer's National Provider Identifier (NPI) is 1639116395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teresa Schaer's specialty?
- Teresa Schaer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Teresa Schaer located?
- Teresa Schaer's practice location on file with NPPES is 12 Stults Rd, Dayton, NJ 08810-1549.
- What is Teresa Schaer's phone number?
- The practice phone number listed in the NPPES registry for Teresa Schaer is (732) 230-3272.
- Does Teresa Schaer accept Medicare?
- Teresa Schaer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teresa Schaer's NPI active?
- Yes — Teresa Schaer's NPI (1639116395) is active in the NPPES registry as of the last update on 2011-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.