GREGORY L HIRSCH MD
NPI 1639287071
Internal Medicine - Pulmonary Disease in Escondido, CA

Q: What is Gregory Hirsch's NPI number?

The NPI number for Gregory Hirsch is 1639287071. It was assigned to this individual provider in the NPPES registry on August 27, 2006.

Q: What is Gregory Hirsch's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hirsch was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.

Active since August 27, 2006PECOS Enrolled

1955 CITRACADO PKWY, STE 301, ESCONDIDO, CA 92029(760) 489-1458(760) 489-1246 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Gregory L Hirsch Md NPPES

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

GREGORY L HIRSCH MD (NPI 1639287071) is an individual pulmonary disease provider in Escondido, California, licensed in California (G40467) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639287071

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameGREGORY L HIRSCHCredential: MD

Location Address1955 CITRACADO PKWY, STE 301Escondido, CA 92029-4110

Mailing AddressPo Box 28199San Diego, CA 92198-0199 · (858) 675-3100 · Fax (858) 618-1523

Phone(760) 489-1458

Fax(760) 489-1246

Sole ProprietorNo

Enumeration DateAugust 27, 2006

Last NPPES UpdateApril 25, 2025

NPPES CertifiedApril 25, 2025

✔ NPI 1639287071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Licenses✔ Licensed in CA · G40467✔ Licensed in HI · MD-23692

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License G40467 (CA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License G40467 (CA)

1955 CITRACADO PKWY, Escondido, CA 92029

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Other Identifiers 1

OtherG40467CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory L Hirsch Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Medicare enrollment records show Gregory Hirsch reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hilo Benioff Medical Center

2,512 mi

General Acute Care Hospital

1190 WAIANUENUE AVE
Hilo, HI 96720

Reassigned Medicare billing, Hawaii enrollment
263 clinicians in this Medicare group

NPI 1780757856 (808) 932-3000

Kau Hospital

2,550 mi

Critical Access

1 KAMANI STREET
Pahala, HI 96777

Reassigned Medicare billing, Hawaii enrollment
208 clinicians in this Medicare group

NPI 1982276127 (808) 932-4200

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92029 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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 20

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

5 suppliers34 claims34 services$33.44 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers18 claims36 services$1.31 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers14 claims14 services$74.33 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

3 suppliers15 claims38 services$30.96 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

2 suppliers25 claims110 services$13.33 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

5 suppliers26 claims135 services$12.70 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers47 claims47 services$43.87 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

5 suppliers33 claims33 services$16.10 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers24 claims24 services$9.21 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers66 claims320 services$1.68 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

4 suppliers17 claims17 services$11.42 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers16 claims16 services$11.15 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers17 claims17 services$778.05 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers31 claims31 services$2.44 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

2 suppliers56 claims56 services$19.35 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

8 suppliers318 claims318 services$59.15 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers119 claims119 services$30.44 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

4 suppliers13 claims1,589 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

4 suppliers23 claims1,986 services$0.76 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

12 suppliers43 claims43 services$23.06 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 16

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

HIDDEN VALLEY SURGICAL MED. GROUP, INC.

Surgery

1955 CITRACADO PKWY, SUITE 200
ESCONDIDO, CA 92029

San Diego County (760) 489-1355

MARYAM BALOUCH M.D.

Internal Medicine (Cardiovascular Disease)

1955 CITRACADO PKWY, SUITE 300
ESCONDIDO, CA 92029

San Diego County (760) 743-0546

CRAIG M BURROWS MD

Internal Medicine (Critical Care Medicine)

1955 CITRACADO PKWY, SUITE 301
ESCONDIDO, CA 92029

San Diego County (760) 489-1458

DR. ARUSH ARVIN PATEL M.D.

Orthopaedic Surgery (Hand Surgery)

1955 CITRACADO PKWY, # 200
ESCONDIDO, CA 92029

San Diego County (760) 743-4779

CHASE WAGNER NP-C

Nurse Practitioner

1955 CITRACADO PKWY, SUITE 300
ESCONDIDO, CA 92029

San Diego County (760) 743-0546

NAVINDER SINGH SAWHNEY MD

Internal Medicine (Clinical Cardiac Electrophysiology)

1955 CITRACADO PKWY, SUITE 300
ESCONDIDO, CA 92029

San Diego County (760) 743-0546

BRADLEY HOWARD CHESLER M.D.

Physical Medicine & Rehabilitation

1955 CITRACADO PKWY, SUITE 203
ESCONDIDO, CA 92029

San Diego County (858) 673-9991

JAMES S. OTOSHI M.D.

Internal Medicine (Pulmonary Disease)

1955 CITRACADO PKWY, #301
ESCONDIDO, CA 92029

San Diego County (760) 489-1458

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 Gregory Hirsch's NPI number?

The NPI number for Gregory Hirsch is 1639287071. It was assigned to this individual provider in the NPPES registry on August 27, 2006.

Where is Gregory Hirsch located?

Gregory Hirsch practices at 1955 Citracado Pkwy Ste 301, Escondido, CA 92029. The listed phone number is (760) 489-1458.

What is Gregory Hirsch's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gregory Hirsch enrolled in Medicare?

Yes. Gregory Hirsch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gregory Hirsch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Hirsch reassigns Medicare benefits to 2 organizations: Hilo Benioff Medical Center (Hilo, HI) and Kau Hospital (Pahala, HI). 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 Gregory Hirsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gregory Hirsch was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.