Doctor profile · Federal record

Dr. Joshua Greenspan, M.D.

Pain Medicine (Anesthesiology) Physician (CMS: Interventional Pain Management) · Portsmouth, NH

  • NPI 1962457218
  • Accepts Medicare
  • MIPS 98.8 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 Manchester Square, Suite 290
Portsmouth, NH 038017866
(603) 766-8500

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 12, 2014
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State license (1)
New Hampshire #13011
Medicaid (2)
ME #432039999 · NH #3075123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962457218. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,109
Distinct HCPCS
10
Medicare allowed
$405,477
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,493 236 $129
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 905 152 $6
80307 Testing for presence of drug, by chemistry analyzers 635 109 $60
77002 Fluoroscopic guidance for needle placement 169 90 $120
20553 Injection of trigger points, 3 or more muscles 113 63 $62
99205 New patient office or other outpatient visit, 60-74 minutes 99 99 $221
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 91 90 $24
62370 Electronic analysis reprogramming and refill of spinal canal drug infusion pump by physician 75 25 $96
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 58 34 $258
99213 Established patient office or other outpatient visit, 20-29 minutes 57 29 $92

In context: peer comparison

Among 1 peers in this city , average services per provider: 186. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$449
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 3 $223.17
PAINTEQ LLC 2 $139.34
Lundbeck LLC 3 $73.26
Abbott Laboratories 1 $13.50

By nature of payment

Food and Beverage
$449

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
708
Patients
220
Total drug cost
$24,310
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 153 56 $3,391
Gabapentin Generic 88 32 $3,664
Tizanidine Hcl Generic 75 22 $2,275
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 58 25 $2,254
Cyclobenzaprine Hcl Generic 51 22 $955
Baclofen Generic 49 17 $1,497
Naloxone Hcl Generic 43 27 $3,437
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 32 0 $1,089
Celecoxib Generic 29 0 $1,539
Nortriptyline Hcl Generic 27 0 $1,133

Frequently asked questions

Auto-generated from federal data
What is Dr. Joshua Greenspan's medical specialty?
Dr. Joshua Greenspan practices Pain Medicine (Anesthesiology) Physician in Portsmouth, NH.
Where does Dr. Joshua Greenspan practice?
Dr. Joshua Greenspan practices at 14 Manchester Square, Portsmouth, NH 038017866. Office phone: 6037668500.
What is Dr. Joshua Greenspan's NPI?
Dr. Joshua Greenspan's National Provider Identifier (NPI) is 1962457218, issued by NPPES.
Does Dr. Joshua Greenspan accept Medicare assignment?
Yes. Dr. Joshua Greenspan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joshua Greenspan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702); Testing for presence of drug, by chemistry analyzers (HCPCS 80307). Source: CMS Medicare Physician & Other Practitioners file.