Physician Profile
Unclaimed ProfileAbout SIMPSON
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Areas of Expertise
Common questions
What does Dr. Simpson specialise in?
Dr. Simpson is a specialist in Ayer, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Specialist”.
NPI registry
Where is Dr. Simpson located?
Dr. Simpson is listed at 198 GROTON RD SUITE 1, Ayer, MA 01432. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Simpson's phone number?
The number on file is (978) 862-0025. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Simpson's NPI number?
Dr. Simpson's National Provider Identifier is 1154322964. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Simpson been practising?
Dr. Simpson has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What does Dr. Simpson do most often?
According to Medicare billing data, Dr. Simpson performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Simpson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Simpson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (978) 862-0025
- Email not available
Practice Locations
198 GROTON RD SUITE 1
Ayer, MA 01432
Procedures Most Often Billed to Medicare
1,624 services · 365 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
95 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
1,190 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
215 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
60 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
45 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other specialists in Ayer 3
Same specialty, same city.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.