Peter Barker, MD
NPI 1568461580 · Family Medicine Physician · Swampscott, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Barker, MD is a Family Medicine Physician provider in Swampscott, MA (NPI 1568461580).
Provider details
- NPI number
- 1568461580
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 52967 (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
20 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
40 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 | 16 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 13 | $129 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 11 | $9 |
Typical Medicare-allowed amounts for these services range $9–$129 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 279 | 118 |
| Lisinopril | 176 | 63 |
| Metoprolol Succinate | 133 | 47 |
| Omeprazole | 126 | 38 |
| Levothyroxine Sodium | 110 | 30 |
| Risperidone | 105 | — |
| Metformin Hcl | 97 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-20
- Last updated
- 2009-12-03
Frequently asked questions
- What is Peter Barker's NPI number?
- Peter Barker's National Provider Identifier (NPI) is 1568461580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Barker's specialty?
- Peter Barker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Barker located?
- Peter Barker's practice location on file with NPPES is 250 Paradise Rd, Swampscott, MA 01907-2948.
- What is Peter Barker's phone number?
- The practice phone number listed in the NPPES registry for Peter Barker is (781) 596-2000.
- Does Peter Barker accept Medicare?
- Peter Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Barker's NPI active?
- Yes — Peter Barker's NPI (1568461580) is active in the NPPES registry as of the last update on 2009-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.