Joseph Donnellan, MD
NPI 1649366089 · Psychiatry Physician · Hillsborough, NJ
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Donnellan, MD is a Psychiatry Physician provider in Hillsborough, NJ (NPI 1649366089).
Provider details
- NPI number
- 1649366089
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA50156 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,696 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 680 | $73 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 671 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $93 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 155 | $87 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 30 | $228 |
Typical Medicare-allowed amounts for these services range $59–$228 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 245 | 45 |
| Sertraline Hcl | 243 | 40 |
| Alprazolam | 230 | 47 |
| Lamotrigine | 201 | 36 |
| Trazodone Hcl | 146 | 24 |
| Clonazepam | 143 | 30 |
| Lorazepam | 135 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Donnellan's NPI number?
- Joseph Donnellan's National Provider Identifier (NPI) is 1649366089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Donnellan's specialty?
- Joseph Donnellan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Donnellan located?
- Joseph Donnellan's practice location on file with NPPES is 422 Courtyard Dr, Hillsborough, NJ 08844.
- What is Joseph Donnellan's phone number?
- The practice phone number listed in the NPPES registry for Joseph Donnellan is (908) 725-5595.
- Does Joseph Donnellan accept Medicare?
- Joseph Donnellan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Donnellan's NPI active?
- Yes — Joseph Donnellan's NPI (1649366089) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.