IndividualActive
Harold Altvater, M.D.
NPI 1316037542 · Anesthesiology Physician · Haverhill, MA
Harold Altvater, M.D. is a Anesthesiology Physician provider in Haverhill, MA (NPI 1316037542).
Provider details
- NPI number
- 1316037542
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 159845 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
140 Lincoln Ave
Hospital Administration
Haverhill, MA 01830-6700
Phone: (978) 374-2000
Street-level locationGet directions
Mailing address
140 Lincoln Ave
Haverhill, MA 01830-6700
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2010-06-01
Frequently asked questions
- What is Harold Altvater's NPI number?
- Harold Altvater's National Provider Identifier (NPI) is 1316037542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Altvater's specialty?
- Harold Altvater is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Altvater located?
- Harold Altvater's practice location on file with NPPES is 140 Lincoln Ave, Haverhill, MA 01830-6700.
- What is Harold Altvater's phone number?
- The practice phone number listed in the NPPES registry for Harold Altvater is (978) 374-2000.
- Is Harold Altvater's NPI active?
- Yes — Harold Altvater's NPI (1316037542) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.