DR. CHARLES VOLK M.D.
NPI 1417297912
Internal Medicine - Pulmonary Disease in Chula Vista, CA

Active since February 20, 2013PECOS EnrolledAccepts Medicare Assignment
82.45/100
CMS Quality Rating
435 H ST, CHULA VISTA, CA 91910(619) 691-7360 Get Directions Write a Review

NPPES record last updated: May 31, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 31, 2025, Nov 14, 2024, Mar 30, 2023 and 2 more (5 updates tracked since 2016).

About Dr. Charles Volk M.d. NPPES

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

DR. CHARLES VOLK M.D. (NPI 1417297912) is an individual pulmonary disease provider in Chula Vista, California, licensed in California (133229) and active in the NPI registry since February 2013. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2013).

NPPES Registry Identity

NPI1417297912
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. CHARLES VOLKCredential: M.D.
Location Address435 H STChula Vista, CA 91910-4307
Mailing Address435 H StChula Vista, CA 91910-4307 · (619) 691-7360 · Fax (619) 691-7306
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2013
Enumeration DateFebruary 20, 2013
Last NPPES UpdateMay 31, 20255 updates tracked since enumeration
NPPES CertifiedMay 31, 2025
NPI 1417297912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in CA · 133229
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 133229 (CA)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 133229 (CA), MD2023-006 (NM)
435 H ST, Chula Vista, CA 91910

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. Charles Volk 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 ID7719205970
PECOS Enrollment IDI20191120001490
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 6

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
50 services34 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
26 services17 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
25 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
16 services12 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients
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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91910 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.

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.

82.45/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.08
Promoting Interoperability100
Improvement Activities40
Cost54.76

Referred Medical Equipment & Supplies CMS DME claims 4

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$14.86 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier14 claims14 services$0.96 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
4 suppliers34 claims34 services$60.73 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
3 suppliers21 claims21 services$30.71 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 20

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

Anesthesiology
435 H ST
CHULA VISTA, CA 91910
Anesthesiology
435 H ST
CHULA VISTA, CA 91910
Obstetrics & Gynecology
435 H ST
CHULA VISTA, CA 91910
Emergency Medicine
435 H ST
CHULA VISTA, CA 91910
Family Medicine
435 H ST
CHULA VISTA, CA 91910
Student in an Organized Health Care Education/Training Program
435 H ST
CHULA VISTA, CA 91910
Student in an Organized Health Care Education/Training Program
435 H ST
CHULA VISTA, CA 91910
Student in an Organized Health Care Education/Training Program
435 H ST
CHULA VISTA, CA 91910

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 Charles Volk's NPI number?

The NPI number for Charles Volk is 1417297912. It was assigned to this individual provider in the NPPES registry on February 20, 2013.

Where is Charles Volk located?

Charles Volk practices at 435 H St, Chula Vista, CA 91910. The listed phone number is (619) 691-7360.

What is Charles Volk's specialty?

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

Is Charles Volk enrolled in Medicare?

Yes. Charles Volk 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 Charles Volk was last updated on May 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.