Mary Schwartz, MD
NPI 1699782763 · Internal Medicine Physician · Newburyport, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Schwartz, MD is a Internal Medicine Physician provider in Newburyport, MA (NPI 1699782763).
Provider details
- NPI number
- 1699782763
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 154489 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,121 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 | 529 | $130 |
| 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 | 236 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 99 | $15 |
| Administration of Influenza Virus VaccineG0008 | 52 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $91 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 162 | 52 |
| Amlodipine Besylate | 133 | 46 |
| Lisinopril | 120 | 45 |
| Tramadol Hcl | 119 | 27 |
| Clonazepam | 108 | 22 |
| Losartan Potassium | 85 | 36 |
| Alprazolam | 77 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2016-10-20
Frequently asked questions
- What is Mary Schwartz's NPI number?
- Mary Schwartz's National Provider Identifier (NPI) is 1699782763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Schwartz's specialty?
- Mary Schwartz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Schwartz located?
- Mary Schwartz's practice location on file with NPPES is 260 Merrimac St, Newburyport, MA 01950-2192.
- What is Mary Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Mary Schwartz is (978) 499-7200.
- Does Mary Schwartz accept Medicare?
- Mary Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Schwartz's NPI active?
- Yes — Mary Schwartz's NPI (1699782763) is active in the NPPES registry as of the last update on 2016-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.