What is Adam Chen's NPI number?

Adam Chen's National Provider Identifier (NPI) is 1699069559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Adam Chen's specialty?

Adam Chen is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Adam Chen located?

Adam Chen's practice location on file with NPPES is 133 Brookline Ave, Boston, MA 02215-3904.

What is Adam Chen's phone number?

The practice phone number listed in the NPPES registry for Adam Chen is (617) 421-1020.

Does Adam Chen accept Medicare?

Adam Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Adam Chen's NPI active?

Yes — Adam Chen's NPI (1699069559) is active in the NPPES registry as of the last update on 2021-02-04.

IndividualActiveAccepts Medicare

Adam Chen, M.D.

NPI 1699069559 · Neurology Physician · Boston, MA

Adam Chen, M.D. is a Neurology Physician provider in Boston, MA (NPI 1699069559).

Provider details

NPI number: 1699069559
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 247597 (MA)

Practice location

133 Brookline Ave

Boston, MA 02215-3904

Phone: (617) 421-1020

Fax: (617) 421-1060

Street-level locationGet directions

More MA providers

Mailing address

133 Brookline Ave

Boston, MA 02215-3904

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense 257666 (MA)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 247597 (MA)
Allopathic & Osteopathic Physicians
Neurology with Special Qualifications in Child Neurology Physician2084N0402XLicense 247597 (MA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(68/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
15 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
494 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	139	$140
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	78	$181
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	61	$17
Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885	44	$70
Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886	43

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Donepezil Hcl	150	41
Gabapentin	113	33
Carbidopa/Levodopabrand: Carbidopa-Levodopa	100	21
Memantine Hcl	93	19
Levetiracetam	86	20
Propranolol Hclbrand: Propranolol Hcl Er	63	11
Sumatriptan Succinate	47	—

Enumerated: 2011-06-07
Last updated: 2021-02-04
Certified: 2021-02-04

Frequently asked questions

What is Adam Chen's NPI number?: Adam Chen's National Provider Identifier (NPI) is 1699069559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Adam Chen's specialty?: Adam Chen is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
Where is Adam Chen located?: Adam Chen's practice location on file with NPPES is 133 Brookline Ave, Boston, MA 02215-3904.
What is Adam Chen's phone number?: The practice phone number listed in the NPPES registry for Adam Chen is (617) 421-1020.
Does Adam Chen accept Medicare?: Adam Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Adam Chen's NPI active?: Yes — Adam Chen's NPI (1699069559) is active in the NPPES registry as of the last update on 2021-02-04.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

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	139	$140
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	78	$181
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	61	$17
Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885	44	$70
Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886	43

Drug

Part D claims (2024)

Beneficiaries

Donepezil Hcl

150

Gabapentin

113

Carbidopa/Levodopabrand: Carbidopa-Levodopa

100

Memantine Hcl

Levetiracetam

Propranolol Hclbrand: Propranolol Hcl Er

Sumatriptan Succinate

—

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)