What is Douglas Fritz's NPI number?

Douglas Fritz's National Provider Identifier (NPI) is 1336360742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Douglas Fritz's specialty?

Douglas Fritz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Douglas Fritz located?

Douglas Fritz's practice location on file with NPPES is 6 Kimball Ln Ste 120, Lynnfield, MA 01940-2667.

What is Douglas Fritz's phone number?

The practice phone number listed in the NPPES registry for Douglas Fritz is (781) 213-4040.

Does Douglas Fritz accept Medicare?

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

Is Douglas Fritz's NPI active?

Yes — Douglas Fritz's NPI (1336360742) is active in the NPPES registry as of the last update on 2012-06-20.

IndividualActiveAccepts Medicare

Douglas Fritz, M.D.

NPI 1336360742 · Internal Medicine Physician · Lynnfield, MA

Douglas Fritz, M.D. is a Internal Medicine Physician provider in Lynnfield, MA (NPI 1336360742).

Provider details

NPI number: 1336360742
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 248242 (MA)

Practice location

6 Kimball Ln Ste 120

Lahey Lynnfield

Lynnfield, MA 01940-2667

Phone: (781) 213-4040

Fax: (781) 213-5064

Street-level locationGet directions

More MA providers

Mailing address

Lahey Clinic

Burlington, MA 01805-0001

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 248242 (MA)
Allopathic & Osteopathic Physicians

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

Profile Score

Established profile(73/100 index)

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

Registry tenure25% of score
19 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
489 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	176	$126
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	133	$90
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	74	$129
Administration of Influenza Virus VaccineG0008	31	$32
Hemoglobin A1c Level83036	29	$10
Telephone Medical Discussion With Physician, 21-30 Minutes99443	18	$128

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Alprazolam	141	23
Atorvastatin Calcium	139	46
Lisinopril	125	43
Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen	124	15
Amlodipine Besylate	115	39
Omeprazole	103	40
Oxycodone Hcl

Transparency — industry payments

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

$22 across 1 record (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: 2007-05-01
Last updated: 2012-06-20

Frequently asked questions

What is Douglas Fritz's NPI number?: Douglas Fritz's National Provider Identifier (NPI) is 1336360742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Douglas Fritz's specialty?: Douglas Fritz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Douglas Fritz located?: Douglas Fritz's practice location on file with NPPES is 6 Kimball Ln Ste 120, Lynnfield, MA 01940-2667.
What is Douglas Fritz's phone number?: The practice phone number listed in the NPPES registry for Douglas Fritz is (781) 213-4040.
Does Douglas Fritz accept Medicare?: Douglas Fritz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Douglas Fritz's NPI active?: Yes — Douglas Fritz's NPI (1336360742) is active in the NPPES registry as of the last update on 2012-06-20.

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	176	$126
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	133	$90
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	74	$129
Administration of Influenza Virus VaccineG0008	31	$32
Hemoglobin A1c Level83036	29	$10
Telephone Medical Discussion With Physician, 21-30 Minutes99443	18	$128