Harold L. Altvater, M.D.
Anesthesiology Physician · Haverhill, MA
Harold L. Altvater, M.D. is an anesthesiology physician with a practice address in Haverhill, Massachusetts, and NPI 1316037542, issued on Oct 16, 2006. Check the license (Massachusetts 159845, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Harold L. Altvater
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 159845 MA
Self-reported in NPPES; status is on the state search - Practice location
- 140 Lincoln Ave, Haverhill, MA 01830
- Phone
- (978) 374-2000
- Enumerated
- Oct 16, 2006
- Record last updated
- Jun 1, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 3207021 MA
- Entity
- Type 1 · individual
Also registered at 140 Lincoln Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Bevins, M.D.Emergency Medical Services (Emergency Medicine) Physician1710900428
- Kurt Brierly, PAPhysician Assistant1639441918
- Katherine Brooks, PA-CPhysician Assistant1023286853
- Byron Brumbaugh, M.D.Emergency Medicine Physician1124067657
- Kaiming Chiang, PAPhysician Assistant1013254366
- Barry Fisher, M.D.Emergency Medical Services (Emergency Medicine) Physician1265452320
Verify Harold L. Altvater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 159845Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Anesthesiology Physician providers in Massachusetts
There are 2,089 anesthesiology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other anesthesiology physician records in Massachusetts
- John Abadir, M.DBoston, MA1891937298
- Matthew AbadirBoston, MA1699120550
- Sarah Abbett, M.D.Boston, MA1902097736
- Brendan Abbott, DOBrighton, MA1477244796
- Megan Abbott, MDBoston, MA1730839333
- Timothy Abbott, D.O.Northampton, MA1316155294
- Kathryn Aberle, MDBoston, MA1669447835
- Scott AbernathyWorcester, MA1639630817
- Abdullah Abolkhair, M.D.Boston, MA1649434325
- Lori Abrahamian, M.D.Boston, MA1528012192
Common questions
What is Harold L. Altvater, M.D.'s NPI number?
Harold L. Altvater, M.D.'s National Provider Identifier (NPI) is 1316037542, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold L. Altvater, M.D. located?
The NPPES record lists a practice address at 140 Lincoln Ave, Haverhill, MA, 01830. Phone: (978) 374-2000. Providers update this record themselves, so call before visiting.
How can I verify Harold L. Altvater, M.D.'s license?
NPPES lists Massachusetts license number 159845, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.