DR. ALAINA NICOLE FIELDS M.D.
NPI 1548566813
General Practice in Quincy, MA
NPI Status: Active since February 04, 2011
Contact Information
1001 MARINA DR APT 602E
QUINCY, MA
ZIP 02171
Phone: (202) 329-2165
- Individual
- Female
- General Practice
- PECOS Enrolled
About ALAINA FIELDS
This page provides the complete NPI Profile along with additional information for Alaina Fields, a primary care provider established in Quincy, Massachusetts with a medical specialization in General Practice. The healthcare provider is registered in the NPI registry with number 1548566813 assigned on February 2011. The practitioner's primary taxonomy code is 208D00000X with license number 1018359 (MA). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1548566813
- Provider Name
- DR. ALAINA NICOLE FIELDS M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1001 MARINA DR APT 602E QUINCY, MA 02171
- Location Phone
- (202) 329-2165
- Mailing Address
- 1001 MARINA DR APT 602E QUINCY, MA 02171
- Mailing Phone
- (202) 329-2165
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-04-2011
- Last Update Date
- 04-08-2026
- Code Navigator
A primary care provider (PCP) like Alaina Fields sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
General Practice
- Taxonomy Code
- 208D00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 1018359
- License State
- MA
- Taxonomy Description
- A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 208D00000X | Allopathic & Osteopathic Physicians | General Practice | A114862 (CA) |
| 2 | 208D00000X | Allopathic & Osteopathic Physicians | General Practice | 036.167454 (IL) |
Medicare Participation & PECOS Enrollment Status
Alaina Fields is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE017N)
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)
7 DME suppliers used 19 Medicare Claims 37 Services Paid
DME-Oxygen and Supplies (DC000N)
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)
1 DME suppliers used 35 Medicare Claims 35 Services Paid
DME-Oxygen and Supplies (DC002N)
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)
2 DME suppliers used 79 Medicare Claims 79 Services Paid
DME-Other DME (DE017N)
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)
1 DME suppliers used 12 Medicare Claims 12 Services Paid
DME-Oxygen and Supplies (DC000N)
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:K0738)
1 DME suppliers used 13 Medicare Claims 13 Services Paid
DME-Other DME (DE000N)
Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)
3 DME suppliers used 26 Medicare Claims 26 Services Paid
Drugs Administered Through DME
DME-Drugs Administered Through DME (DG006N)
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg (HCPCS:J7613)
2 DME suppliers used 24 Medicare Claims 5391 Services Paid
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1548566813, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 67 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1548566813, enumerated as an "individual" on February 04, 2011.
The provider is located at 1001 MARINA DR APT 602E QUINCY, MA 02171 and the phone number is (202) 329-2165.
General Practice with taxonomy code 208D00000X.
