Aaron Frenz, M.D.
Psychiatry Physician · Concord, MA
Aaron Frenz, M.D. is a psychiatry physician with a practice address in Concord, Massachusetts, and NPI 1013906734, issued on Oct 14, 2005. Check the license (Massachusetts 217209, 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
- Aaron Frenz
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 217209 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Baker Ave, Concord, MA 01742
- Phone
- (978) 287-9380
- Enumerated
- Oct 14, 2005
- Entity
- Type 1 · individual
Also registered at 330 Baker Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caitlin CeresiaRegistered Nurse1053866384
- Paige Fairbanks, PA-CInternal Medicine Physician1073447280
- Jesse Foote, M.D.Geriatric Medicine (Internal Medicine) Physician1932366465
Verify Aaron Frenz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 217209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
26 psychiatry physician records list a Concord practice address
They are 26 of the 1,078 NPPES records with a Concord practice address, and 2,637 psychiatry physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 26 in Concord → All 2,637 in Massachusetts → Every provider in Concord →
Other psychiatry physician records in Massachusetts
- Karen Abdool, M.D., PH.DLynn, MA1942472824
- Harmony Abejuela, M.D.Quincy, MA1316259492
- Marielle Abell, PAAmherst, MA1275644072
- Steven Ablon, MDBoston, MA1083604839
- Keith Ablow, M.D.Newbury, MA1245423615
- Yousef Abou-Allaban, MDWalpole, MA1922040666
- Habiba Abozeid, MDBoston, MA1689408346
- Margarita Abramovich, MDPittsfield, MA1154883239
- Howard Abrams, MDSalem, MA1821102773
- David Abramson, MDCambridge, MA1376679787
Common questions
What is Aaron Frenz, M.D.'s NPI number?
Aaron Frenz, M.D.'s National Provider Identifier (NPI) is 1013906734, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Frenz, M.D. located?
The NPPES record lists a practice address at 330 Baker Ave, Concord, MA, 01742. Phone: (978) 287-9380. Providers update this record themselves, so call before visiting.
How can I verify Aaron Frenz, M.D.'s license?
NPPES lists Massachusetts license number 217209, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.