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DR. MARGARET L. GROSSMAN M.D.
NPI 1942352075
Family Medicine in Arcata, CA

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
4677 VALLEY EAST BLVD STE 1, ARCATA, CA 95521(707) 822-1122(707) 822-1140 Get Directions Write a Review

NPPES record last updated: February 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Margaret L. Grossman M.d. NPPES

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

DR. MARGARET L. GROSSMAN M.D. (NPI 1942352075) is an individual family medicine provider in Arcata, California, licensed in California (G55960) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1984).

NPPES Registry Identity

NPI1942352075
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARGARET L. GROSSMANCredential: M.D.
Location Address4677 VALLEY EAST BLVD STE 1Arcata, CA 95521-4630
Mailing Address2778 Buttermilk LnArcata, CA 95521-6937 · (707) 826-2819
Phone(707) 822-1122
Fax(707) 822-1140
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1984
Enumeration DateJanuary 17, 2007
Last NPPES UpdateFebruary 12, 2025
NPPES CertifiedFebruary 12, 2025
✔ NPI 1942352075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G55960
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4677 VALLEY EAST BLVD STE 1, Arcata, CA 95521
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Other Names 1

Other Name (5)Dr. Peggy Grossman M.d.

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. Margaret L. Grossman 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 ID5395841670
PECOS Enrollment IDI20070502000595
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.

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.
443 services223 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.
264 services141 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
209 services209 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
121 services85 patients
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420
This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.
116 services14 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
113 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95521 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40
Cost100

Reported Quality Measures

Advance Care Plan
100%290 patients5/55-star benchmark: 100%
Breast Cancer Screening
85%232 patients4/55-star benchmark: 93%
Cervical Cancer Screening
64%171 patients3/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
44%221 patients3/55-star benchmark: 87%
Colorectal Cancer Screening
54%368 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
79%182 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
0%33 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
15%33 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
98%2,261 patients4/55-star benchmark: 100%
HIV Screening
9%351 patients1/55-star benchmark: 60%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
21%651 patients2/55-star benchmark: 61%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
88%88 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 294 patients
Patients totalRate: 5% · 295 patients
5%295 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

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
6 suppliers23 claims43 services$5.98 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers12 claims12 services$1.14 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
3 suppliers15 claims15 services$69.66 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
3 suppliers13 claims13 services$21.73 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
3 suppliers16 claims84 services$3.04 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
3 suppliers18 claims18 services$46.08 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Margaret Grossman's NPI number?

The NPI number for Margaret Grossman is 1942352075. It was assigned to this individual provider in the NPPES registry on January 17, 2007. The provider is also known as Dr. Peggy Grossman M.D..

Where is Margaret Grossman located?

Margaret Grossman practices at 4677 Valley East Blvd Ste 1, Arcata, CA 95521. The listed phone number is (707) 822-1122.

What is Margaret Grossman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Margaret Grossman enrolled in Medicare?

Yes. Margaret Grossman 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.

When was this NPI record last updated?

The NPPES record for Margaret Grossman was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.