What is Adam Brown's NPI number?

Adam Brown's National Provider Identifier (NPI) is 1821389008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Adam Brown's specialty?

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

Where is Adam Brown located?

Adam Brown's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.

What is Adam Brown's phone number?

The practice phone number listed in the NPPES registry for Adam Brown is (216) 444-2200.

Does Adam Brown accept Medicare?

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

Is Adam Brown's NPI active?

Yes — Adam Brown's NPI (1821389008) is active in the NPPES registry as of the last update on 2020-05-07.

IndividualActiveAccepts Medicare

Adam Brown, M.D.

NPI 1821389008 · Rheumatology Physician · Cleveland, OH

Adam Brown, M.D. is a Rheumatology Physician provider in Cleveland, OH (NPI 1821389008).

Provider details

NPI number: 1821389008
Entity type: Individual
Primary specialty: Rheumatology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 1821389008 (DC)

Practice location

9500 Euclid Ave

Cleveland, OH 44195-0001

Phone: (216) 444-2200

Fax: (877) 303-1460

Street-level locationGet directions

More OH providers

Mailing address

2049 East 100th Street

Cleveland, OH 44106-2113

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense 35.126625 (OH)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 1821389008 (DC)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

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

Profile Score

Established profile(65/100 index)

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

Registry tenure25% of score
15 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
242 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

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	72	$92
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	53	$91
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	42	$75
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	17	$122
Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212	17	$52
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Prednisone	563	170
Hydroxychloroquine Sulfate	246	67
Methotrexate Sodiumbrand: Methotrexate	216	62
Adalimumabbrand: Humira(cf) Pen	132	18
Meloxicam	61	13
Leflunomide	59	21
Hydrocodone/Acetaminophen

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$36,486 across 40 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2011-04-22
Last updated: 2020-05-07
Certified: 2020-05-07

Frequently asked questions

What is Adam Brown's NPI number?: Adam Brown's National Provider Identifier (NPI) is 1821389008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Adam Brown's specialty?: Adam Brown is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
Where is Adam Brown located?: Adam Brown's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
What is Adam Brown's phone number?: The practice phone number listed in the NPPES registry for Adam Brown is (216) 444-2200.
Does Adam Brown accept Medicare?: Adam Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Adam Brown's NPI active?: Yes — Adam Brown's NPI (1821389008) is active in the NPPES registry as of the last update on 2020-05-07.

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	72	$92
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	53	$91
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	42	$75
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	17	$122
Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212	17	$52
Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More

Drug

Part D claims (2024)

Beneficiaries

Prednisone

563

170

Hydroxychloroquine Sulfate

246

Methotrexate Sodiumbrand: Methotrexate

216

Adalimumabbrand: Humira(cf) Pen

132

Meloxicam

Leflunomide

Hydrocodone/Acetaminophen

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$36,486 across 40 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments