DR. MARK M. BOISKIN M.D.
NPI 1437154143
Internal Medicine - Nephrology in La Jolla, CA

Q: What is Mark Boiskin's NPI number?

The NPI number for Mark Boiskin is 1437154143. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Q: What is Mark Boiskin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Mark Boiskin was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 June 17, 2005PECOS EnrolledAccepts Medicare Assignment

9834 GENESEE AVE, STE 312, LA JOLLA, CA 92037(858) 558-8150(858) 346-1024 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Feb 2, 2021 (2 updates tracked since 2021).

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About Dr. Mark M. Boiskin M.d. NPPES

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

DR. MARK M. BOISKIN M.D. (NPI 1437154143) is an individual nephrology provider in La Jolla, California, licensed in California (A52055) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1437154143

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. MARK M. BOISKINCredential: M.D.

Location Address9834 GENESEE AVE, STE 312La Jolla, CA 92037-1223

Mailing Address9373 Hazard Way Ste 200San Diego, CA 92123-1226 · (858) 810-0000 · Fax (858) 268-1911

Phone(858) 558-8150

Fax(858) 346-1024

Sole ProprietorNo

Medical School CMSOtherGraduated 1986

Enumeration DateJune 17, 2005

Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1437154143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · A52055

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

9834 GENESEE AVE, La Jolla, CA 92037

Open in Google Maps ↗

Other Identifiers 3

OtherAQ039XCA · No. California Ptan

OtherWA52055LCA · So. California Ptan

OtherA520550CA · License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark M. Boiskin 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 ID648180067

PECOS Enrollment IDI20040625001163

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 Mark Boiskin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sharp Rees-Stealy Medical Group, Inc

4.5 mi

Internal Medicine

5651 COPLEY DR STE A
San Diego, CA 92111

Reassigned Medicare billing, California enrollment
1,233 clinicians in this Medicare group

NPI 1285616177 (858) 262-6666

Balboa Nephrology Medical Group, Inc.

6.6 mi

Nephrology

9373 HAZARD WAY STE 200
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
85 clinicians in this Medicare group

NPI 1316997505 (858) 810-8000

Emergency And Acute Care Medical Corporation

7.2 mi

Emergency Medicine

7901 FROST ST
San Diego, CA 92123

Reassigned Medicare billing, California enrollment
1,437 clinicians in this Medicare group

NPI 1437103942 (858) 939-3400

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

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.

777 services353 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.

426 services105 patients

Dialysis services, per day, less than full month service (20 years or older) 90970

Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.

171 services18 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

162 services27 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.

56 services55 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

55 services55 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.

39 services37 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

32 services20 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.

30 services26 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.

30 services19 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 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 6

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

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

4 suppliers56 claims6,988 services$0.30 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers42 claims5,700 services$0.01 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers32 claims5,640 services$0.18 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims1,380 services$0.98 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

6 suppliers67 claims67 services$17.78 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

5 suppliers79 claims103 services$12.49 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.

DAVID SCOTT MICHELSON MD

Ophthalmology

9834 GENESEE AVE, SUITE 200
LA JOLLA, CA 92037

San Diego County (858) 457-3050

DR. ERIC HONG M.D.

Internal Medicine (Cardiovascular Disease)

9834 GENESEE AVE, SUITE 300
LA JOLLA, CA 92037

San Diego County (858) 824-2900

HAILEY ENGLERT SLP

Speech-Language Pathologist

9834 GENESEE AVE
LA JOLLA, CA 92037

San Diego County (858) 626-4444

SCOTT R MILLER MD FACS APC

Plastic Surgery

9834 GENESEE AVE, SUITE 210
LA JOLLA,, CA 92037

San Diego County (858) 453-3133

PAUL E MICHELSON MD, INC

Ophthalmology

9834 GENESEE AVE, SUITE 200
LA JOLLA, CA 92037

San Diego County (858) 457-3050

MARILYN SARA FREEMAN PH.D., MFT

Marriage & Family Therapist

9834 GENESEE AVE, STE. 427
LA JOLLA, CA 92037

San Diego County (858) 502-5553

LA JOLLA NEUROSURGICAL ASSOCIATES A MEDICAL CORPORATION

Specialist

9834 GENESEE AVE, SUITE #411
LA JOLLA, CA 92037

San Diego County (858) 677-1755

FREDERICK J DE LA VEGA, MD

Specialist

9834 GENESEE AVE, 411
LA JOLLA, CA 92037

San Diego County (858) 677-1755

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 Mark Boiskin's NPI number?

The NPI number for Mark Boiskin is 1437154143. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Where is Mark Boiskin located?

Mark Boiskin practices at 9834 Genesee Ave Ste 312, La Jolla, CA 92037. The listed phone number is (858) 558-8150.

What is Mark Boiskin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Mark Boiskin enrolled in Medicare?

Yes. Mark Boiskin 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.

Which organizations bill Medicare for Mark Boiskin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Boiskin reassigns Medicare benefits to 3 organizations: Sharp Rees-Stealy Medical Group, Inc (San Diego, CA), Balboa Nephrology Medical Group, Inc. (San Diego, CA) and Emergency And Acute Care Medical Corporation (San Diego, CA). 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 Mark Boiskin'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 Mark Boiskin was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.