Daniel Simpson, MD
NPI 1043277643 · Internal Medicine Physician · Brookline, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Simpson, MD is a Internal Medicine Physician provider in Brookline, MA (NPI 1043277643).
Provider details
- NPI number
- 1043277643
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 57155 (MA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
478 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 | 120 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 80 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 64 | $98 |
| 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 | 52 | $17 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 39 | $135 |
| Annual Alcohol Misuse Screening, 5 to 15 Minutes |
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 |
|---|---|---|
| Atorvastatin Calcium | 259 | 82 |
| Amlodipine Besylate | 196 | 59 |
| Lisinopril | 108 | 34 |
| Omeprazole | 86 | 29 |
| Metoprolol Succinate | 78 | 23 |
| Levothyroxine Sodium | 73 | 25 |
| Tramadol Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 1180 Beacon StBrookline, MA 02446-3885Phone: (617) 278-1700
- 1180 Beacon StBrookline, MA 02446-3885Phone: (617) 278-1700
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2019-09-19
Frequently asked questions
- What is Daniel Simpson's NPI number?
- Daniel Simpson's National Provider Identifier (NPI) is 1043277643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Simpson's specialty?
- Daniel Simpson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Simpson located?
- Daniel Simpson's practice location on file with NPPES is 1 Brookline Pl Ste 225, Brookline, MA 02445.
- What is Daniel Simpson's phone number?
- The practice phone number listed in the NPPES registry for Daniel Simpson is (857) 307-4400.
- Does Daniel Simpson accept Medicare?
- Daniel Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Simpson's NPI active?
- Yes — Daniel Simpson's NPI (1043277643) is active in the NPPES registry as of the last update on 2019-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.