NATHANIEL F BROWN MD
NPI 1336132745
Internal Medicine in Hanscom Afb, MA

Active since August 31, 2005PECOS EnrolledAccepts Medicare Assignment
1609 EGLIN ST, HANSCOM AFB, HANSCOM AFB, MA 01731(781) 377-4740(781) 274-8538 Get Directions Write a Review

NPPES record last updated: April 7, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nathaniel F Brown Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATHANIEL F BROWN MD (NPI 1336132745) is an individual internal medicine provider in Hanscom Afb, Massachusetts, licensed in Massachusetts (81312) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and is a graduate of East Tennessee State University Quillen College Of Medicine (1992).

NPPES Registry Identity

NPI1336132745
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNATHANIEL F BROWNCredential: MD
Location Address1609 EGLIN ST, HANSCOM AFBHanscom Afb, MA 01731-2613
Mailing Address100 Highland St, Suite 104Milton, MA 02186-3881 · (617) 696-0022 · Fax (617) 696-1171
Fax(781) 274-8538
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 1992
Enumeration DateAugust 31, 2005
Last NPPES UpdateApril 7, 2011
✔ NPI 1336132745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 81312
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 81312 (MA)
1609 EGLIN ST, Hanscom Afb, MA 01731

Other Identifiers 6

Medicare UPING03968
Medicare ID-Type UnspecifiedA20094
Medicare PINP00392425MA
OtherJ31756MA · Blue Shield
Medicaid3147665MA
Medicare PINA30437MA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nathaniel F Brown Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517968803
PECOS Enrollment IDI20070130000204
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Nathaniel Brown reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
30 NEW CROSSING RD
Reading, MA 01867
  • Reassigned Medicare billing, Massachusetts enrollment
  • 20 clinicians in this Medicare group
Emergency Medicine
585 LEBANON ST
Melrose, MA 02176
  • Reassigned Medicare billing, Massachusetts enrollment
  • 23 clinicians in this Medicare group
Internal Medicine
464 HILLSIDE AVE, SUITE 304
Needham, MA 02494
  • Reassigned Medicare billing, Massachusetts enrollment
  • 356 clinicians in this Medicare group
Hospitalist
115 LINCOLN ST
Framingham, MA 01702
  • Reassigned Medicare billing, Massachusetts enrollment
  • 156 clinicians in this Medicare group
Internal Medicine
325 WOOD RD, SUITE 210
Braintree, MA 02184
  • Reassigned Medicare billing, Massachusetts enrollment
  • 21 clinicians in this Medicare group
Internal Medicine
150 YORK ST
Stoughton, MA 02072
  • Reassigned Medicare billing, Massachusetts enrollment
  • 337 clinicians in this Medicare group
Internal Medicine
235 N PEARL ST
Brockton, MA 02301
  • Reassigned Medicare billing, Massachusetts enrollment
  • 173 clinicians in this Medicare group
Emergency Medicine
208 MILL RD
Fairhaven, MA 02719
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,144 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
263 services254 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
218 services214 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
94 services92 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
86 services45 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
82 services78 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
57 services42 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Melrosewakefield Healthcare

Acute Care Hospitals · Melrose, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220070
Location585 Lebanon StreetMelrose, MA 02176 · Middlesex County
Emergency services Birthing friendly

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA
4/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number220108
Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County
Emergency services

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Metrowest Medical Center

Acute Care Hospitals · Framingham, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220175
Location115 Lincoln StreetFramingham, MA 01701 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01731 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers25 claims68 services$6.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacy (Clinic Pharmacy)
1609 EGLIN ST
HANSCOM AFB, MA 01731
Family Medicine
1609 EGLIN ST, HANSCOM AFB
BEDFORD, MA 01731
Clinic/Center
1609 EGLIN ST
HANSCOM AFB, MA 01731
Pharmacy (Managed Care Organization Pharmacy)
1609 EGLIN ST
HANSCOM AFB, MA 01731
Internal Medicine
1609 EGLIN ST
HANSCOM AFB, MA 01731
Nurse Practitioner
1609 EGLIN ST
BEDFORD, MA 01731

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathaniel Brown's NPI number?

The NPI number for Nathaniel Brown is 1336132745. It was assigned to this individual provider in the NPPES registry on August 31, 2005.

Where is Nathaniel Brown located?

Nathaniel Brown practices at 1609 Eglin St Hanscom Afb, Hanscom Afb, MA 01731. The listed phone number is (781) 377-4740.

What is Nathaniel Brown's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nathaniel Brown enrolled in Medicare?

Yes. Nathaniel Brown is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Nathaniel Brown's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Brown reassigns Medicare benefits to 8 organizations: Hallmark Health Urgent Care Physicians LLC (Reading, MA), Melrose Wakefield Emergency Physicians, Inc. (Melrose, MA), Medical Care Of Boston Management Corporation (Needham, MA), Hospitalist Physicians Of Massachusetts PC (Framingham, MA), Tufts Medical Center Community Care, Inc (Braintree, MA) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nathaniel Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Brown accept?

Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Nathaniel Brown as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nathaniel Brown affiliated with any hospitals?

According to CMS data, Nathaniel Brown is affiliated with Melrosewakefield Healthcare, South Shore Hospital, Beth Israel Deaconess Hospital - Milton, Tufts Medical Center and Metrowest Medical Center.

When was this NPI record last updated?

The NPPES record for Nathaniel Brown was last updated on April 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.