Physician Profile
Joshua L. Greenspan, M.D.
Unclaimed ProfileAbout Dr. Greenspan
Joshua L. Greenspan, M.D. is a healthcare provider in Portsmouth, NH specializing in interventional pain management. Joshua trained at State University of New York Downstate Medical Center, graduating in 1994. Joshua is also listed as specializing in anesthesiology — pain medicine. According to Medicare claims data, Joshua cared for 1,159 Medicare patients across 3,893 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg. This provider record is associated with NPI 1962457218.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 766-8500
- Email not available
Practice Locations
14 MANCHESTER SQUARE SUITE 290
Portsmouth, NH 03801
Procedures Most Often Billed to Medicare
3,893 services · 1,159 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Electronic analysis reprogramming and refill of spinal canal drug infusion pump by physician | Procedure | 62370 |
79 | As often as other peers in Interventional Pain Management |
| Injection of trigger points, 3 or more muscles | Procedure | 20553 |
68 | More often than most peers in Interventional Pain Management |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
47 | As often as other peers in Interventional Pain Management |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64635 |
41 | As often as other peers in Interventional Pain Management |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
41 | As often as other peers in Interventional Pain Management |
| Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint | Procedure | 64636 |
39 | As often as other peers in Interventional Pain Management |
| Injection of lower or sacral spine facet joint using imaging guidance, single level | Procedure | 64493 |
35 | As often as other peers in Interventional Pain Management |
| Injection of lower or sacral spine facet joint using imaging guidance, second level | Procedure | 64494 |
32 | As often as other peers in Interventional Pain Management |
| Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint | Procedure | 64633 |
25 | As often as other peers in Interventional Pain Management |
| Injection of substance into lower spine canal using imaging guidance | Procedure | 62323 |
24 | Less often than most peers in Interventional Pain Management |
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.
Trained at State University of New York Downstate Medical Center 5
Other providers in the same specialty who trained at the same institution.
Class of 1994 at State University of New York Downstate Medical Center 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Joshua L. Greenspan's specialty?
Joshua L. Greenspan is an interventional pain management in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Joshua L. Greenspan?
Joshua L. Greenspan is listed at 14 Manchester Square Suite 290, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Joshua L. Greenspan?
The number on file is (603) 766-8500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Joshua L. Greenspan's NPI number?
Joshua L. Greenspan's National Provider Identifier is 1962457218. 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
What is Joshua L. Greenspan's education?
Joshua L. Greenspan attended State University of New York Downstate Medical Center, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Joshua L. Greenspan been practicing?
Joshua L. Greenspan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What is Joshua L. Greenspan known for?
According to Medicare billing data, Joshua L. Greenspan performs procedures including electronic analysis reprogramming and refill of spinal canal drug infusion pump by physician, injection of trigger points, 3 or more muscles and aspiration and/or injection of fluid from large joint; reads or performs imaging such as fluoroscopic guidance for needle placement and ultrasonic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Joshua L. Greenspan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joshua L. Greenspan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.