William Heffernan, M.D.
NPI 1356306617 · Family Medicine Physician · Highland, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Heffernan, M.D. is a Family Medicine Physician provider in Highland, NY (NPI 1356306617).
Provider details
- NPI number
- 1356306617
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 162027 (NY)
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
20 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
274 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $140 |
| 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'SG2211 | 80 | $18 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 50 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $99 |
Typical Medicare-allowed amounts for these services range $9–$143 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 17 | — |
| Lisinopril | 16 | — |
| Lorazepam | 15 | 11 |
| Omeprazole | 14 | — |
| Alprazolam | 13 | 12 |
| Rosuvastatin Calcium | 13 | — |
| Zolpidem Tartrate | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2019-06-05
Frequently asked questions
- What is William Heffernan's NPI number?
- William Heffernan's National Provider Identifier (NPI) is 1356306617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Heffernan's specialty?
- William Heffernan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Heffernan located?
- William Heffernan's practice location on file with NPPES is 514 State Route 299, Highland, NY 12528-2835.
- What is William Heffernan's phone number?
- The practice phone number listed in the NPPES registry for William Heffernan is (845) 691-9200.
- Does William Heffernan accept Medicare?
- William Heffernan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Heffernan's NPI active?
- Yes — William Heffernan's NPI (1356306617) is active in the NPPES registry as of the last update on 2019-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.