Joanna Schwartz, M.D.
NPI 1316112949 · Internal Medicine Physician · Waltham, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Schwartz, M.D. is a Internal Medicine Physician provider in Waltham, MA (NPI 1316112949).
Provider details
- NPI number
- 1316112949
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
493 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $140 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 117 | $196 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $141 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 31 | $140 |
| 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 | 30 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 188 | 58 |
| Amlodipine Besylate | 91 | 31 |
| Lisinopril | 75 | 27 |
| Rosuvastatin Calcium | 63 | 21 |
| Omeprazole | 62 | 23 |
| Levothyroxine Sodium | 59 | 19 |
| Irbesartan | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-24
- Last updated
- 2012-06-12
Frequently asked questions
- What is Joanna Schwartz's NPI number?
- Joanna Schwartz's National Provider Identifier (NPI) is 1316112949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Schwartz's specialty?
- Joanna Schwartz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna Schwartz located?
- Joanna Schwartz's practice location on file with NPPES is 52 Second Avenue Suite 2000, Waltham, MA 02451.
- What is Joanna Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Joanna Schwartz is (781) 487-4040.
- Does Joanna Schwartz accept Medicare?
- Joanna Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Schwartz's NPI active?
- Yes — Joanna Schwartz's NPI (1316112949) is active in the NPPES registry as of the last update on 2012-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.