Ajay Kumar, M.D.
NPI 1871545111 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Watchung, NJ
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ajay Kumar, M.D. is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Watchung, NJ (NPI 1871545111).
Provider details
- NPI number
- 1871545111
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA07877200 (NJ)
Specialties & taxonomies
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianPrimary2081P2900XLicense 25MA07877200 (NJ)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,959 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 773 | $88 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 171 | $55 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 130 | $68 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 129 | $12 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 127 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 346 | 112 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 267 | 32 |
| Gabapentin | 208 | 68 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 192 | 17 |
| Celecoxib | 122 | 36 |
| Cyclobenzaprine Hcl | 99 | 24 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,127 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2010-11-10
Frequently asked questions
- What is Ajay Kumar's NPI number?
- Ajay Kumar's National Provider Identifier (NPI) is 1871545111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ajay Kumar's specialty?
- Ajay Kumar is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Ajay Kumar located?
- Ajay Kumar's practice location on file with NPPES is 459 Watchung Ave, Watchung, NJ 07069-4945.
- What is Ajay Kumar's phone number?
- The practice phone number listed in the NPPES registry for Ajay Kumar is (973) 756-2424.
- Does Ajay Kumar accept Medicare?
- Ajay Kumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ajay Kumar's NPI active?
- Yes — Ajay Kumar's NPI (1871545111) is active in the NPPES registry as of the last update on 2010-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.