DR. DAVID A GRUENBERG M.D.
NPI 1386773422
Allergy & Immunology in Chelmsford, MA

Active since March 05, 2007PECOS EnrolledAccepts Medicare Assignment
9 VILLAGE SQ, CHELMSFORD, MA 01824(978) 256-4531(978) 256-1377 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 22, 2017 (3 updates tracked since 2017).

About Dr. David A Gruenberg M.d. NPPES

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

DR. DAVID A GRUENBERG M.D. (NPI 1386773422) is an individual allergy & immunology provider in Chelmsford, Massachusetts, licensed in Massachusetts (251130) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1386773422
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. DAVID A GRUENBERGCredential: M.D.
Location Address9 VILLAGE SQChelmsford, MA 01824-2712
Mailing Address9 Village SqChelmsford, MA 01824-2712 · (978) 256-4531 · Fax (978) 256-1344
Fax(978) 256-1377
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2005
Enumeration DateMarch 5, 2007
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1386773422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License Licensed in MA · 251130
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
9 VILLAGE SQ, Chelmsford, MA 01824

Secondary Practice Locations 2

Location 1505 W Hollis St Ste 108Nashua, NH 03062-1386 · Phone (603) 881-7433 · Fax (603) 880-3113
Location 2200 Sutton St Ste 150North Andover, MA 01845-1645 · Phone (978) 689-8890 · Fax (978) 794-1408

Other Identifiers 1

Medicaid110093601AMA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. David A Gruenberg M.d. 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 ID3577695121
PECOS Enrollment IDI20100922001137, I20120905000009
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.

Areas of Expertise CMS Part B claims 11

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.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,603 services35 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.
428 services147 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
344 services84 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
330 services27 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
131 services53 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.
91 services42 patients

Hospital Affiliations CMS Care Compare

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 7

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier25 claims97 services$17.62 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier33 claims11,596 services$9.50 avg. paid by Medicare
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg J1561
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier12 claims1,380 services$35.04 avg. paid by Medicare
Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg J1599
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims650 services$55.07 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
1 supplier23 claims113 services$2.38 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
9 suppliers16 claims16 services$26.09 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 9

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

Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Nurse Practitioner (Family)
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology
9 VILLAGE SQ
CHELMSFORD, MA 01824
Allergy & Immunology (Allergy)
9 VILLAGE SQ
CHELMSFORD, MA 01824

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 David Gruenberg's NPI number?

The NPI number for David Gruenberg is 1386773422. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is David Gruenberg located?

David Gruenberg practices at 9 Village Sq, Chelmsford, MA 01824. The listed phone number is (978) 256-4531.

What is David Gruenberg's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is David Gruenberg enrolled in Medicare?

Yes. David Gruenberg 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.

What insurance does David Gruenberg accept?

Health plans from Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list David Gruenberg 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 David Gruenberg affiliated with any hospitals?

According to CMS data, David Gruenberg is affiliated with Lowell General Hospital.

When was this NPI record last updated?

The NPPES record for David Gruenberg was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.