DR. MITCHELL ALAN HARDENBROOK (MD) – Orthopaedic Surgery of the Spine Physician, NPI 1689636037

DR. MITCHELL ALAN HARDENBROOK (MD) is a healthcare provider. based in Chelmsford, Massachusetts. specializing in ORTHOPEDIC SURGERY. They hold the professional credentials MD. They hold a License No. 213207 (MA). The NPI Number for DR. MITCHELL ALAN HARDENBROOK (MD) is 1689636037

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
DR. MITCHELL ALAN HARDENBROOK (MD)
NPI
1689636037
Phone
(508) 297-8500
Address
6 BOSTON RD STE 103
Enumeration Date
3 April 2006
Last Update Date
3 April 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5082978500
Graduation Year
1997 (29 years ago)
PAC ID
8325133481
Group Practice PAC ID
7517052673
Professional Enrollment ID
I20071004000077
Address ID
MA017471719HO54XXXSTXX301
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

948 ORTHOPEDIC SURGERY in MA

Provider Addresses for DR. MITCHELL ALAN HARDENBROOK (MD)

  • 6 BOSTON RD STE 103

    CHELMSFORD, MA 018243046

    Phone: (508) 297-8500

    Fax: (508) 297-8540

    Type: Mailing

  • 54 HOPEDALE ST STE 3

    HOPEDALE, MA 017471719

    Phone: (508) 297-8500

    Fax: (508) 297-8540

    Type: Mailing

  • Newton-Wellesley Hospital, 2014, Washington Street, Newton Lower Falls, Newton, Middlesex County, Massachusetts, 02462, United States

    NEWTON, MA 024621607

    Phone: (508) 297-8500

    Fax: (508) 297-8540

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 11 Open Payments records for all available years, with a total value of $107,703.

Total Amount is formed as General ($107,703) + Research ($0) + Ownership ($0) = $107,703.

Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Choice Spine, LLC ($107,023).

Total Amount

$107,703

General + Research + Ownership

Payments

11

Total payment records

General Amount

$107,703

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-12

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-10-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20071004000077IOrthopedic SurgeryMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes244167$0
99215Established patient office or other outpatient visit, 40-54 minutes134107$0
99205New patient office or other outpatient visit, 60-74 minutes129129$0
99213Established patient office or other outpatient visit, 20-29 minutes9478$0
22853Insertion of cage or mesh device to spine bone and disc space during spine fusion5834$0
View full utilization report →

Insurance plans in this area (ZIP 01824)

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Provider's Procedures

DR. MITCHELL ALAN HARDENBROOK (MD) performs procedures in ORTHOPEDIC SURGERY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ORTHOPEDIC SURGERYMA22842Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments2020
ORTHOPEDIC SURGERYMA63048Partial removal of spine bone with release of spinal cord and/or nerves2217

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7517052673View full group profile
NameSpecialtyState
Physician AssistantMA

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. MITCHELL ALAN HARDENBROOK (MD)?
DR. MITCHELL ALAN HARDENBROOK (MD) — NPI 1689636037 — is the standard way to identify this listing.
Is DR. MITCHELL ALAN HARDENBROOK (MD) listed as active for patients and plans?
The listing shows DR. MITCHELL ALAN HARDENBROOK (MD) as active in the NPI system.
What healthcare role does DR. MITCHELL ALAN HARDENBROOK (MD) hold?
Scheduling teams often label DR. MITCHELL ALAN HARDENBROOK (MD) under Orthopaedic Surgery of the Spine Physician. Clinical services aligned with this taxonomy classification.
Where is DR. MITCHELL ALAN HARDENBROOK (MD) based?
DR. MITCHELL ALAN HARDENBROOK (MD) is tied to Chelmsford, Massachusetts in the data we show; additional addresses may exist on the full record.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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